256048956 has 36 divisors (see below), whose sum is σ = 648294192. Its totient is φ = 85209984.

The previous prime is 256048889. The next prime is 256048973. The reversal of 256048956 is 659840652.

256048956 is a `hidden beast` number, since 2 + 560 + 4 + 89 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×256048956² = 131122135737379872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17796 + ... + 28788.

It is an arithmetic number, because the mean of its divisors is an integer number (18008172).

Almost surely, 2^256048956 is an apocalyptic number.

It is an amenable number.

256048956 is an abundant number, since it is smaller than the sum of its proper divisors (392245236).

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

256048956 is a wasteful number, since it uses less digits than its factorization.

256048956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11650 (or 11645 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 256048956 is about 16001.5298018658. The cubic root of 256048956 is about 635.0008936272. Note that the first 3 decimals are identical.

The spelling of 256048956 in words is "two hundred fifty-six million, forty-eight thousand, nine hundred fifty-six".