15628980928 has 56 divisors (see below), whose sum is σ = 33847796160. Its totient is φ = 7101016320.

The previous prime is 15628980911. The next prime is 15628980959. The reversal of 15628980928 is 82908982651.

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, 2758963 + ... + 2764621.

Almost surely, 2^15628980928 is an apocalyptic number.

It is an amenable number.

15628980928 is an abundant number, since it is smaller than the sum of its proper divisors (18218815232).

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

15628980928 is a wasteful number, since it uses less digits than its factorization.

15628980928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605 (or 9595 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 58.

The spelling of 15628980928 in words is "fifteen billion, six hundred twenty-eight million, nine hundred eighty thousand, nine hundred twenty-eight".