256372796934 has 12 divisors (see below), whose sum is σ = 555474393396. Its totient is φ = 85457598972.

The previous prime is 256372796921. The next prime is 256372796941. The reversal of 256372796934 is 439697273652.

256372796934 is a `hidden beast` number, since 2 + 563 + 7 + 2 + 7 + 9 + 69 + 3 + 4 = 666.

It is a super-2 number, since 2×256372796934² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7121466564 + ... + 7121466599.

It is an arithmetic number, because the mean of its divisors is an integer number (46289532783).

Almost surely, 2^256372796934 is an apocalyptic number.

256372796934 is an abundant number, since it is smaller than the sum of its proper divisors (299101596462).

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

256372796934 is a wasteful number, since it uses less digits than its factorization.

256372796934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242933171 (or 14242933168 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 63.

The spelling of 256372796934 in words is "two hundred fifty-six billion, three hundred seventy-two million, seven hundred ninety-six thousand, nine hundred thirty-four".