3196928640 has 64 divisors (see below), whose sum is σ = 10190216160. Its totient is φ = 852513792.

The previous prime is 3196928563. The next prime is 3196928681. The reversal of 3196928640 is 468296913.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3196928640.

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, 830614 + ... + 834453.

Almost surely, 2^3196928640 is an apocalyptic number.

3196928640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3196928640 is an abundant number, since it is smaller than the sum of its proper divisors (6993287520).

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

3196928640 is a wasteful number, since it uses less digits than its factorization.

3196928640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665089 (or 1665077 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 3196928640 is about 56541.3887342715. The cubic root of 3196928640 is about 1473.1409907496.

The spelling of 3196928640 in words is "three billion, one hundred ninety-six million, nine hundred twenty-eight thousand, six hundred forty".