15732493056 has 576 divisors, whose sum is σ = 58207887360. Its totient is φ = 4087480320.

The previous prime is 15732493013. The next prime is 15732493061. The reversal of 15732493056 is 65039423751.

15732493056 is a `hidden beast` number, since 1 + 573 + 2 + 49 + 30 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×15732493056² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25498060 + ... + 25498676.

It is an arithmetic number, because the mean of its divisors is an integer number (101055360).

Almost surely, 2^15732493056 is an apocalyptic number.

15732493056 is a gapful number since it is divisible by the number (16) 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 15732493056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29103943680).

15732493056 is an abundant number, since it is smaller than the sum of its proper divisors (42475394304).

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

15732493056 is a wasteful number, since it uses less digits than its factorization.

15732493056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 15732493056 in words is "fifteen billion, seven hundred thirty-two million, four hundred ninety-three thousand, fifty-six".