256504634052 has 24 divisors (see below), whose sum is σ = 598519227936. Its totient is φ = 85500342528.

The previous prime is 256504634047. The next prime is 256504634069. The reversal of 256504634052 is 250436405652.

256504634052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256504633995 and 256504634013.

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, 1294068 + ... + 1479060.

It is an arithmetic number, because the mean of its divisors is an integer number (24938301164).

Almost surely, 2^256504634052 is an apocalyptic number.

It is an amenable number.

256504634052 is an abundant number, since it is smaller than the sum of its proper divisors (342014593884).

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

256504634052 is a wasteful number, since it uses less digits than its factorization.

256504634052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300547 (or 300545 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 256504634052 in words is "two hundred fifty-six billion, five hundred four million, six hundred thirty-four thousand, fifty-two".