Q: What is the negative version of the number 405,620,421?
A: -405,620,421
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:
| 405,620,419 | 405,620,420 | 405,620,422 | 405,620,423 |
| -405,620,419 | -405,620,420 | -405,620,422 | -405,620,423 |