3272400256660 has 96 divisors (see below), whose sum is σ = 7198567552512. Its totient is φ = 1248383485440.

The previous prime is 3272400256613. The next prime is 3272400256679. The reversal of 3272400256660 is 666520042723.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8909409 + ... + 9269431.

It is an arithmetic number, because the mean of its divisors is an integer number (74985078672).

Almost surely, 2^{3272400256660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3272400256660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3599283776256).

3272400256660 is an abundant number, since it is smaller than the sum of its proper divisors (3926167295852).

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

3272400256660 is a wasteful number, since it uses less digits than its factorization.

3272400256660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360313 (or 360311 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 3272400256660 in words is "three trillion, two hundred seventy-two billion, four hundred million, two hundred fifty-six thousand, six hundred sixty".