256676534684 has 24 divisors (see below), whose sum is σ = 458865193248. Its totient is φ = 125593554240.

The previous prime is 256676534651. The next prime is 256676534687. The reversal of 256676534684 is 486435676652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256676534687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621864 + ... + 2717999.

It is an arithmetic number, because the mean of its divisors is an integer number (19119383052).

Almost surely, 2^256676534684 is an apocalyptic number.

It is an amenable number.

256676534684 is a deficient number, since it is larger than the sum of its proper divisors (202188658564).

256676534684 is a wasteful number, since it uses less digits than its factorization.

256676534684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340125 (or 5340123 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 62.

The spelling of 256676534684 in words is "two hundred fifty-six billion, six hundred seventy-six million, five hundred thirty-four thousand, six hundred eighty-four".