Four hundred thousands.
50,000
456789 * 1234567890 = 5.63937032 × 1014
1 + 2 + 456789 = 456,792.However, you may have meant:1+2+3+4+5+6+7+8+9 which = 45
34.4071
If that is the only criteria then the lowest number is 456789, what you allready have.
Dial 011 44, then the full UK phone number minus its leading zero. For example, UK number 01632 456789 (or +44 1632 456789) is dialled as 011 44 1632 456789.
(7+89)=96/4=24-6=18+5=23
456813
The Answer to this problem is 511112.
6*5*4*3*2*1=720
ti stared fron the 456789 centrey
456789