3256651272 has 64 divisors (see below), whose sum is σ = 9396892800. Its totient is φ = 921254400.

The previous prime is 3256651267. The next prime is 3256651301. The reversal of 3256651272 is 2721566523.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3256651272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78997 + ... + 112932.

It is an arithmetic number, because the mean of its divisors is an integer number (146826450).

Almost surely, 2^3256651272 is an apocalyptic number.

It is an amenable number.

3256651272 is an abundant number, since it is smaller than the sum of its proper divisors (6140241528).

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

3256651272 is a wasteful number, since it uses less digits than its factorization.

3256651272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192046 (or 192042 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 3256651272 is about 57067.0769533538. The cubic root of 3256651272 is about 1482.2578260218.

It can be divided in two parts, 32566 and 51272, that added together give a palindrome (83838).

The spelling of 3256651272 in words is "three billion, two hundred fifty-six million, six hundred fifty-one thousand, two hundred seventy-two".