Q: What is the negative version of the number 400,621,661?
A: -400,621,661
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 400,621,659 | 400,621,660 | 400,621,662 | 400,621,663 |
| -400,621,659 | -400,621,660 | -400,621,662 | -400,621,663 |