15339945984 has 272 divisors, whose sum is σ = 45977609664. Its totient is φ = 4508876800.

The previous prime is 15339945983. The next prime is 15339945989. The reversal of 15339945984 is 48954993351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15339945983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88670122 + ... + 88670294.

Almost surely, 2^15339945984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15339945984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22988804832).

15339945984 is an abundant number, since it is smaller than the sum of its proper divisors (30637663680).

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

15339945984 is an equidigital number, since it uses as much as digits as its factorization.

15339945984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 230 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 60.

The spelling of 15339945984 in words is "fifteen billion, three hundred thirty-nine million, nine hundred forty-five thousand, nine hundred eighty-four".