256467724 has 6 divisors (see below), whose sum is σ = 448818524. Its totient is φ = 128233860.

The previous prime is 256467707. The next prime is 256467787. The reversal of 256467724 is 427764652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32058462 + ... + 32058469.

Almost surely, 2^256467724 is an apocalyptic number.

It is an amenable number.

256467724 is a deficient number, since it is larger than the sum of its proper divisors (192350800).

256467724 is a wasteful number, since it uses less digits than its factorization.

256467724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64116935 (or 64116933 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 256467724 is about 16014.6097048913. The cubic root of 256467724 is about 635.3468863367.

The spelling of 256467724 in words is "two hundred fifty-six million, four hundred sixty-seven thousand, seven hundred twenty-four".