256052886 has 8 divisors (see below), whose sum is σ = 512105784. Its totient is φ = 85350960.

The previous prime is 256052857. The next prime is 256052887. The reversal of 256052886 is 688250652.

256052886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

256052886 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256052887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21337735 + ... + 21337746.

It is an arithmetic number, because the mean of its divisors is an integer number (64013223).

Almost surely, 2^256052886 is an apocalyptic number.

256052886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

256052886 is a wasteful number, since it uses less digits than its factorization.

256052886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42675486.

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 256052886 is about 16001.6526021533. The cubic root of 256052886 is about 635.0041424079.

The spelling of 256052886 in words is "two hundred fifty-six million, fifty-two thousand, eight hundred eighty-six".