256674877625732 has 6 divisors (see below), whose sum is σ = 449181035845038. Its totient is φ = 128337438812864.

The previous prime is 256674877625693. The next prime is 256674877625779. The reversal of 256674877625732 is 237526778476652.

It can be written as a sum of positive squares in only one way, i.e., 135236990172736 + 121437887452996 = 11629144^2 + 11019886^2 .

It is a super-2 number, since 2×256674877625732² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32084359703213 + ... + 32084359703220.

It is an arithmetic number, because the mean of its divisors is an integer number (74863505974173).

Almost surely, 2^{256674877625732} is an apocalyptic number.

It is an amenable number.

256674877625732 is a deficient number, since it is larger than the sum of its proper divisors (192506158219306).

256674877625732 is a wasteful number, since it uses less digits than its factorization.

256674877625732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64168719406437 (or 64168719406435 counting only the distinct ones).

The product of its digits is 9957427200, while the sum is 77.

The spelling of 256674877625732 in words is "two hundred fifty-six trillion, six hundred seventy-four billion, eight hundred seventy-seven million, six hundred twenty-five thousand, seven hundred thirty-two".