256057672862 has 8 divisors (see below), whose sum is σ = 384260862936. Its totient is φ = 127970718552.

The previous prime is 256057672853. The next prime is 256057672889. The reversal of 256057672862 is 268276750652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×256057672862² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 256057672798 and 256057672807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29053433 + ... + 29062244.

It is an arithmetic number, because the mean of its divisors is an integer number (48032607867).

Almost surely, 2^256057672862 is an apocalyptic number.

256057672862 is a deficient number, since it is larger than the sum of its proper divisors (128203190074).

256057672862 is a wasteful number, since it uses less digits than its factorization.

256057672862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58117882.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 256057672862 in words is "two hundred fifty-six billion, fifty-seven million, six hundred seventy-two thousand, eight hundred sixty-two".