15272947872 has 480 divisors, whose sum is σ = 56103328512. Its totient is φ = 3968372736.

The previous prime is 15272947867. The next prime is 15272947889. The reversal of 15272947872 is 27874927251.

15272947872 is a `hidden beast` number, since 1 + 527 + 2 + 9 + 47 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17218213 + ... + 17219099.

Almost surely, 2^15272947872 is an apocalyptic number.

15272947872 is a gapful number since it is divisible by the number (12) 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 15272947872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28051664256).

15272947872 is an abundant number, since it is smaller than the sum of its proper divisors (40830380640).

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

15272947872 is a wasteful number, since it uses less digits than its factorization.

15272947872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 985 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 15272947872 in words is "fifteen billion, two hundred seventy-two million, nine hundred forty-seven thousand, eight hundred seventy-two".