3256536642444 has 72 divisors (see below), whose sum is σ = 8356762748880. Its totient is φ = 1069151025792.

The previous prime is 3256536642361. The next prime is 3256536642461. The reversal of 3256536642444 is 4442466356523.

3256536642444 is a `hidden beast` number, since 3 + 2 + 5 + 6 + 536 + 64 + 2 + 4 + 44 = 666.

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 23 ways as a sum of consecutive naturals, for example, 1776999 + ... + 3109790.

It is an arithmetic number, because the mean of its divisors is an integer number (116066149290).

Almost surely, 2^{3256536642444} is an apocalyptic number.

It is an amenable number.

3256536642444 is an abundant number, since it is smaller than the sum of its proper divisors (5100226106436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3256536642444 is a wasteful number, since it uses less digits than its factorization.

3256536642444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887079 (or 4887074 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 54.

The spelling of 3256536642444 in words is "three trillion, two hundred fifty-six billion, five hundred thirty-six million, six hundred forty-two thousand, four hundred forty-four".