15789972480 has 176 divisors, whose sum is σ = 51737089824. Its totient is φ = 4107796480.

The previous prime is 15789972421. The next prime is 15789972493. The reversal of 15789972480 is 8427998751.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 617224 + ... + 642296.

Almost surely, 2^15789972480 is an apocalyptic number.

15789972480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15789972480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25868544912).

15789972480 is an abundant number, since it is smaller than the sum of its proper divisors (35947117344).

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

15789972480 is a wasteful number, since it uses less digits than its factorization.

15789972480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25142 (or 25124 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 15789972480 in words is "fifteen billion, seven hundred eighty-nine million, nine hundred seventy-two thousand, four hundred eighty".