15804272352 has 384 divisors, whose sum is σ = 49871808000. Its totient is φ = 4329676800.

The previous prime is 15804272317. The next prime is 15804272383. The reversal of 15804272352 is 25327240851.

It is a super-2 number, since 2×15804272352² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15804272352.

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, 45284274 + ... + 45284622.

It is an arithmetic number, because the mean of its divisors is an integer number (129874500).

Almost surely, 2^15804272352 is an apocalyptic number.

15804272352 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 15804272352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24935904000).

15804272352 is an abundant number, since it is smaller than the sum of its proper divisors (34067535648).

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

15804272352 is a wasteful number, since it uses less digits than its factorization.

15804272352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 15804272352 in words is "fifteen billion, eight hundred four million, two hundred seventy-two thousand, three hundred fifty-two".