15481272960 has 512 divisors, whose sum is σ = 58737312000. Its totient is φ = 3841966080.

The previous prime is 15481272959. The next prime is 15481272967. The reversal of 15481272960 is 6927218451.

15481272960 is a `hidden beast` number, since 1 + 548 + 1 + 27 + 29 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (15481272967) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20027134 + ... + 20027906.

Almost surely, 2^15481272960 is an apocalyptic number.

15481272960 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 15481272960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29368656000).

15481272960 is an abundant number, since it is smaller than the sum of its proper divisors (43256039040).

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

15481272960 is a wasteful number, since it uses less digits than its factorization.

15481272960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 15481272960 in words is "fifteen billion, four hundred eighty-one million, two hundred seventy-two thousand, nine hundred sixty".