256260619724 has 12 divisors (see below), whose sum is σ = 462922410048. Its totient is φ = 123997074000.

The previous prime is 256260619691. The next prime is 256260619733. The reversal of 256260619724 is 427916062652.

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, 1033308827 + ... + 1033309074.

It is an arithmetic number, because the mean of its divisors is an integer number (38576867504).

Almost surely, 2^256260619724 is an apocalyptic number.

It is an amenable number.

256260619724 is a deficient number, since it is larger than the sum of its proper divisors (206661790324).

256260619724 is a wasteful number, since it uses less digits than its factorization.

256260619724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066617936 (or 2066617934 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 256260619724 in words is "two hundred fifty-six billion, two hundred sixty million, six hundred nineteen thousand, seven hundred twenty-four".