256374553276 has 12 divisors (see below), whose sum is σ = 451134229000. Its totient is φ = 127479059280.

The previous prime is 256374553217. The next prime is 256374553283. The reversal of 256374553276 is 672355473652.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 177053526 + ... + 177054973.

Almost surely, 2^256374553276 is an apocalyptic number.

It is an amenable number.

256374553276 is a deficient number, since it is larger than the sum of its proper divisors (194759675724).

256374553276 is a wasteful number, since it uses less digits than its factorization.

256374553276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354108684 (or 354108682 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 55.

The spelling of 256374553276 in words is "two hundred fifty-six billion, three hundred seventy-four million, five hundred fifty-three thousand, two hundred seventy-six".