256929496 has 16 divisors (see below), whose sum is σ = 483868440. Its totient is φ = 127897920.

The previous prime is 256929469. The next prime is 256929539. The reversal of 256929496 is 694929652.

It is an alternating number because its digits alternate between even and odd.

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, 68925 + ... + 72556.

Almost surely, 2^256929496 is an apocalyptic number.

It is an amenable number.

256929496 is a deficient number, since it is larger than the sum of its proper divisors (226938944).

256929496 is a wasteful number, since it uses less digits than its factorization.

256929496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141714 (or 141710 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 52.

The square root of 256929496 is about 16029.0204317045. The cubic root of 256929496 is about 635.7279732728.

The spelling of 256929496 in words is "two hundred fifty-six million, nine hundred twenty-nine thousand, four hundred ninety-six".