925240155840 has 5376 divisors, whose sum is σ = 5043625574400. Its totient is φ = 156067430400.

The previous prime is 925240155799. The next prime is 925240155899. The reversal of 925240155840 is 48551042529.

925240155840 is a `hidden beast` number, since 9 + 2 + 52 + 4 + 0 + 1 + 558 + 40 = 666.

It is a super-2 number, since 2×925240155840² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 29846456625 + ... + 29846456655.

It is an arithmetic number, because the mean of its divisors is an integer number (938174400).

Almost surely, 2^925240155840 is an apocalyptic number.

925240155840 is a gapful number since it is divisible by the number (90) 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 925240155840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2521812787200).

925240155840 is an abundant number, since it is smaller than the sum of its proper divisors (4118385418560).

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

925240155840 is a wasteful number, since it uses less digits than its factorization.

925240155840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 925240155840 in words is "nine hundred twenty-five billion, two hundred forty million, one hundred fifty-five thousand, eight hundred forty".