24997062720 has 896 divisors, whose sum is σ = 101710540800. Its totient is φ = 5072191488.

The previous prime is 24997062709. The next prime is 24997062757. The reversal of 24997062720 is 2726079942.

It is a super-2 number, since 2×24997062720² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 24997062720.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 159216882 + ... + 159217038.

Almost surely, 2^24997062720 is an apocalyptic number.

24997062720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24997062720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50855270400).

24997062720 is an abundant number, since it is smaller than the sum of its proper divisors (76713478080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24997062720 is a wasteful number, since it uses less digits than its factorization.

24997062720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 24997062720 in words is "twenty-four billion, nine hundred ninety-seven million, sixty-two thousand, seven hundred twenty".