15724752480 has 384 divisors, whose sum is σ = 60162600960. Its totient is φ = 3818741760.

The previous prime is 15724752451. The next prime is 15724752481. The reversal of 15724752480 is 8425742751.

15724752480 is a `hidden beast` number, since 1 + 5 + 7 + 2 + 47 + 524 + 80 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15724752481) 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, 2273187 + ... + 2280093.

It is an arithmetic number, because the mean of its divisors is an integer number (156673440).

Almost surely, 2^15724752480 is an apocalyptic number.

15724752480 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 15724752480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30081300480).

15724752480 is an abundant number, since it is smaller than the sum of its proper divisors (44437848480).

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

15724752480 is a wasteful number, since it uses less digits than its factorization.

15724752480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979 (or 6965 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 15724752480 in words is "fifteen billion, seven hundred twenty-four million, seven hundred fifty-two thousand, four hundred eighty".