Fifteen
The number 90 is written out in words as such: ninety. You should spell out a number rather than write it in number form in particular scenarios, such as if you are beginning a sentence with a number.
Forty million
Eighteen billion.
The number 400 is written in words as four hundred.
Two hundred fourteen thousand, one hundred thirty-five.
You write the number in words >:D
Write out the number 32 as thirty two (in words).
You write it: twelve
So for example if you wanted to write 4 in words it would be four.
Fifteen
twelve
Nineteen.
two...
Fifty.
eleven
fortyeight