3158128472 has 32 divisors (see below), whose sum is σ = 6434227200. Its totient is φ = 1447696800.

The previous prime is 3158128469. The next prime is 3158128487. The reversal of 3158128472 is 2748218513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330404 + ... + 339827.

It is an arithmetic number, because the mean of its divisors is an integer number (201069600).

Almost surely, 2^3158128472 is an apocalyptic number.

It is an amenable number.

3158128472 is an abundant number, since it is smaller than the sum of its proper divisors (3276098728).

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

3158128472 is a wasteful number, since it uses less digits than its factorization.

3158128472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670287 (or 670283 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 3158128472 is about 56197.2283302300. The cubic root of 3158128472 is about 1467.1570257984.

The spelling of 3158128472 in words is "three billion, one hundred fifty-eight million, one hundred twenty-eight thousand, four hundred seventy-two".