256034964 has 24 divisors (see below), whose sum is σ = 599921280. Its totient is φ = 84986944.

The previous prime is 256034957. The next prime is 256035001. The reversal of 256034964 is 469430652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41769 + ... + 47504.

It is an arithmetic number, because the mean of its divisors is an integer number (24996720).

Almost surely, 2^256034964 is an apocalyptic number.

It is an amenable number.

256034964 is an abundant number, since it is smaller than the sum of its proper divisors (343886316).

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

256034964 is a wasteful number, since it uses less digits than its factorization.

256034964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89519 (or 89517 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 256034964 is about 16001.0925876954. The cubic root of 256034964 is about 634.9893267059.

The spelling of 256034964 in words is "two hundred fifty-six million, thirty-four thousand, nine hundred sixty-four".