15728289000 has 64 divisors (see below), whose sum is σ = 49072271040. Its totient is φ = 4194209600.

The previous prime is 15728288999. The next prime is 15728289011. The reversal of 15728289000 is 98282751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2618382 + ... + 2624381.

It is an arithmetic number, because the mean of its divisors is an integer number (766754235).

Almost surely, 2^15728289000 is an apocalyptic number.

15728289000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15728289000 is an abundant number, since it is smaller than the sum of its proper divisors (33343982040).

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

15728289000 is a wasteful number, since it uses less digits than its factorization.

15728289000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242787 (or 5242773 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 15728289000 in words is "fifteen billion, seven hundred twenty-eight million, two hundred eighty-nine thousand".