256724641160052 has 48 divisors (see below), whose sum is σ = 645377808153792. Its totient is φ = 78958540500480.

The previous prime is 256724641160027. The next prime is 256724641160063. The reversal of 256724641160052 is 250061146427652.

It is a junction number, because it is equal to n+sod(n) for n = 256724641159977 and 256724641160004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350224149 + ... + 350956412.

It is an arithmetic number, because the mean of its divisors is an integer number (13445371003204).

Almost surely, 2^{256724641160052} is an apocalyptic number.

It is an amenable number.

256724641160052 is an abundant number, since it is smaller than the sum of its proper divisors (388653166993740).

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

256724641160052 is a wasteful number, since it uses less digits than its factorization.

256724641160052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701182928 (or 701182926 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 256724641160052 in words is "two hundred fifty-six trillion, seven hundred twenty-four billion, six hundred forty-one million, one hundred sixty thousand, fifty-two".