256914874148 has 12 divisors (see below), whose sum is σ = 452199880860. Its totient is φ = 127714908192.

The previous prime is 256914874129. The next prime is 256914874157. The reversal of 256914874148 is 841478419652.

It can be written as a sum of positive squares in 2 ways, for example, as 245151736384 + 11763137764 = 495128^2 + 108458^2 .

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, 185631443 + ... + 185632826.

It is an arithmetic number, because the mean of its divisors is an integer number (37683323405).

Almost surely, 2^256914874148 is an apocalyptic number.

It is an amenable number.

256914874148 is a deficient number, since it is larger than the sum of its proper divisors (195285006712).

256914874148 is a wasteful number, since it uses less digits than its factorization.

256914874148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371264446 (or 371264444 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 59.

The spelling of 256914874148 in words is "two hundred fifty-six billion, nine hundred fourteen million, eight hundred seventy-four thousand, one hundred forty-eight".