256724631412364 has 24 divisors (see below), whose sum is σ = 449368139275440. Its totient is φ = 128333735921664.

The previous prime is 256724631412339. The next prime is 256724631412373. The reversal of 256724631412364 is 463214136427652.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810161147 + ... + 810477965.

It is an arithmetic number, because the mean of its divisors is an integer number (18723672469810).

Almost surely, 2^{256724631412364} is an apocalyptic number.

It is an amenable number.

256724631412364 is a deficient number, since it is larger than the sum of its proper divisors (192643507863076).

256724631412364 is a wasteful number, since it uses less digits than its factorization.

256724631412364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361289 (or 361287 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 56.

The spelling of 256724631412364 in words is "two hundred fifty-six trillion, seven hundred twenty-four billion, six hundred thirty-one million, four hundred twelve thousand, three hundred sixty-four".