256060788634 has 16 divisors (see below), whose sum is σ = 438967900800. Its totient is φ = 109738700784.

The previous prime is 256060788611. The next prime is 256060788703. The reversal of 256060788634 is 436887060652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580787 + ... + 1735225.

It is an arithmetic number, because the mean of its divisors is an integer number (27435493800).

Almost surely, 2^256060788634 is an apocalyptic number.

256060788634 is a deficient number, since it is larger than the sum of its proper divisors (182907112166).

256060788634 is a wasteful number, since it uses less digits than its factorization.

256060788634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272877.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 256060788634 in words is "two hundred fifty-six billion, sixty million, seven hundred eighty-eight thousand, six hundred thirty-four".