256996012 has 24 divisors (see below), whose sum is σ = 553530656. Its totient is φ = 101668608.

The previous prime is 256996001. The next prime is 256996027. The reversal of 256996012 is 210699652.

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, 352653 + ... + 353380.

Almost surely, 2^256996012 is an apocalyptic number.

It is an amenable number.

256996012 is an abundant number, since it is smaller than the sum of its proper divisors (296534644).

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

256996012 is a wasteful number, since it uses less digits than its factorization.

256996012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706057 (or 706055 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 256996012 is about 16031.0951590963. The cubic root of 256996012 is about 635.7828293507.

The spelling of 256996012 in words is "two hundred fifty-six million, nine hundred ninety-six thousand, twelve".