256288696 has 8 divisors (see below), whose sum is σ = 480541320. Its totient is φ = 128144344.

The previous prime is 256288661. The next prime is 256288709. The reversal of 256288696 is 696882652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16018036 + ... + 16018051.

It is an arithmetic number, because the mean of its divisors is an integer number (60067665).

Almost surely, 2^256288696 is an apocalyptic number.

It is an amenable number.

256288696 is a deficient number, since it is larger than the sum of its proper divisors (224252624).

256288696 is a wasteful number, since it uses less digits than its factorization.

256288696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32036093 (or 32036089 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 256288696 is about 16009.0192079340. The cubic root of 256288696 is about 635.1990167107.

The spelling of 256288696 in words is "two hundred fifty-six million, two hundred eighty-eight thousand, six hundred ninety-six".