940
736 640 x 0.15 = 96 and 640 + 96 = 736
960
No.
There's only one number that equals 640. The number is . . . . . 640.
It is a series number used by Yamaha for one of the thrones in their drum throne series. Thrones with a number higher than the 640 will most likely be a more robust or better style of throne. Numbers like these are usually only a quicker reference used by manufacturers to the description of a product.
640
If 1% of 640 is 6.4, than 55% of 640 is 352.
27 x 5 = 640
The brain
A composite number is any number greater than 1, which is non-prime: in other words, any number that can be divided by any whole number besides itself and 1. Since 640 can be divided by 2 (multiple times, in fact) and 5, it is indeed composite.
640 does not go into 63 at all, as 640 is greater than 63. When you divide 63 by 640, the result is less than 1, specifically 0.0984. Therefore, you can say that 640 goes into 63 zero times.
There are approximately 640 skeletal muscles in our bodies.