Q: What is the negative version of the number 40,015,139?
A: -40,015,139
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:
| 40,015,137 | 40,015,138 | 40,015,140 | 40,015,141 |
| -40,015,137 | -40,015,138 | -40,015,140 | -40,015,141 |