256526768 has 10 divisors (see below), whose sum is σ = 497020644. Its totient is φ = 128263376.

The previous prime is 256526741. The next prime is 256526773. The reversal of 256526768 is 867625652.

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, 8016446 + ... + 8016477.

Almost surely, 2^256526768 is an apocalyptic number.

It is an amenable number.

256526768 is a deficient number, since it is larger than the sum of its proper divisors (240493876).

256526768 is a wasteful number, since it uses less digits than its factorization.

256526768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16032931 (or 16032925 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 47.

The square root of 256526768 is about 16016.4530405455. The cubic root of 256526768 is about 635.3956391162.

The spelling of 256526768 in words is "two hundred fifty-six million, five hundred twenty-six thousand, seven hundred sixty-eight".