15728288960 has 56 divisors (see below), whose sum is σ = 38661173376. Its totient is φ = 6088366080.

The previous prime is 15728288951. The next prime is 15728288999. The reversal of 15728288960 is 6988282751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15728288896 and 15728288905.

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, 782837 + ... + 802676.

It is an arithmetic number, because the mean of its divisors is an integer number (690378096).

Almost surely, 2^15728288960 is an apocalyptic number.

15728288960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15728288960 is an abundant number, since it is smaller than the sum of its proper divisors (22932884416).

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

15728288960 is a wasteful number, since it uses less digits than its factorization.

15728288960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585561 (or 1585551 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 15728288960 in words is "fifteen billion, seven hundred twenty-eight million, two hundred eighty-eight thousand, nine hundred sixty".