256162630504 has 32 divisors (see below), whose sum is σ = 524273783040. Its totient is φ = 116369833600.

The previous prime is 256162630421. The next prime is 256162630519. The reversal of 256162630504 is 405036261652.

It is a happy number.

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, 694264 + ... + 997159.

It is an arithmetic number, because the mean of its divisors is an integer number (16383555720).

Almost surely, 2^256162630504 is an apocalyptic number.

It is an amenable number.

256162630504 is an abundant number, since it is smaller than the sum of its proper divisors (268111152536).

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

256162630504 is a wasteful number, since it uses less digits than its factorization.

256162630504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693161 (or 1693157 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 256162630504 in words is "two hundred fifty-six billion, one hundred sixty-two million, six hundred thirty thousand, five hundred four".