256426262056 has 48 divisors (see below), whose sum is σ = 511813699200. Its totient is φ = 120418738944.

The previous prime is 256426262047. The next prime is 256426262063. The reversal of 256426262056 is 650262624652.

It is a happy number.

256426262056 is digitally balanced in base 2 and base 3, because in such bases 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 = 256426261997 and 256426262015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 991675 + ... + 1223221.

It is an arithmetic number, because the mean of its divisors is an integer number (10662785400).

Almost surely, 2^256426262056 is an apocalyptic number.

It is an amenable number.

256426262056 is a deficient number, since it is larger than the sum of its proper divisors (255387437144).

256426262056 is a wasteful number, since it uses less digits than its factorization.

256426262056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232066 (or 232045 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 256426262056 in words is "two hundred fifty-six billion, four hundred twenty-six million, two hundred sixty-two thousand, fifty-six".