256966076 has 12 divisors (see below), whose sum is σ = 451442208. Its totient is φ = 127982592.

The previous prime is 256966027. The next prime is 256966081. The reversal of 256966076 is 670669652.

It is a self number, because there is not a number n which added to its sum of digits gives 256966076.

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, 123956 + ... + 126011.

It is an arithmetic number, because the mean of its divisors is an integer number (37620184).

Almost surely, 2^256966076 is an apocalyptic number.

It is an amenable number.

256966076 is a deficient number, since it is larger than the sum of its proper divisors (194476132).

256966076 is a wasteful number, since it uses less digits than its factorization.

256966076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250228 (or 250226 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 256966076 is about 16030.1614464733. The cubic root of 256966076 is about 635.7581421533.

The spelling of 256966076 in words is "two hundred fifty-six million, nine hundred sixty-six thousand, seventy-six".