3228128660 has 24 divisors (see below), whose sum is σ = 7073813376. Its totient is φ = 1235109920.

The previous prime is 3228128587. The next prime is 3228128681. The reversal of 3228128660 is 668218223.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3508376 + ... + 3509295.

It is an arithmetic number, because the mean of its divisors is an integer number (294742224).

Almost surely, 2^3228128660 is an apocalyptic number.

It is an amenable number.

3228128660 is an abundant number, since it is smaller than the sum of its proper divisors (3845684716).

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

3228128660 is a wasteful number, since it uses less digits than its factorization.

3228128660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017703 (or 7017701 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 3228128660 is about 56816.6230957103. The cubic root of 3228128660 is about 1477.9177956957.

The spelling of 3228128660 in words is "three billion, two hundred twenty-eight million, one hundred twenty-eight thousand, six hundred sixty".