3128372944 has 20 divisors (see below), whose sum is σ = 6067369600. Its totient is φ = 1562600160.

The previous prime is 3128372909. The next prime is 3128372953. The reversal of 3128372944 is 4492738213.

It is a self number, because there is not a number n which added to its sum of digits gives 3128372944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82794 + ... + 114505.

It is an arithmetic number, because the mean of its divisors is an integer number (303368480).

Almost surely, 2^3128372944 is an apocalyptic number.

It is an amenable number.

3128372944 is a deficient number, since it is larger than the sum of its proper divisors (2938996656).

3128372944 is a wasteful number, since it uses less digits than its factorization.

3128372944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198298 (or 198292 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 3128372944 is about 55931.8598296177. The cubic root of 3128372944 is about 1462.5346825388.

The spelling of 3128372944 in words is "three billion, one hundred twenty-eight million, three hundred seventy-two thousand, nine hundred forty-four".