256038504 has 32 divisors (see below), whose sum is σ = 642492000. Its totient is φ = 85026752.

The previous prime is 256038473. The next prime is 256038511. The reversal of 256038504 is 405830652.

256038504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13374 + ... + 26285.

It is an arithmetic number, because the mean of its divisors is an integer number (20077875).

Almost surely, 2^256038504 is an apocalyptic number.

256038504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

256038504 is an abundant number, since it is smaller than the sum of its proper divisors (386453496).

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

256038504 is a wasteful number, since it uses less digits than its factorization.

256038504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39937 (or 39933 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 256038504 is about 16001.2032047593. The cubic root of 256038504 is about 634.9922531967.

The spelling of 256038504 in words is "two hundred fifty-six million, thirty-eight thousand, five hundred four".