256016912 has 40 divisors (see below), whose sum is σ = 516699072. Its totient is φ = 122774400.

The previous prime is 256016909. The next prime is 256016953. The reversal of 256016912 is 219610652.

It is a happy 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, 38987 + ... + 45077.

Almost surely, 2^256016912 is an apocalyptic number.

It is an amenable number.

256016912 is an abundant number, since it is smaller than the sum of its proper divisors (260682160).

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

256016912 is a wasteful number, since it uses less digits than its factorization.

256016912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207 (or 6201 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 256016912 is about 16000.5284912718. The cubic root of 256016912 is about 634.9744028370.

The spelling of 256016912 in words is "two hundred fifty-six million, sixteen thousand, nine hundred twelve".