15238609680 has 160 divisors (see below), whose sum is σ = 54903628800. Its totient is φ = 3424052736.

The previous prime is 15238609669. The next prime is 15238609709. The reversal of 15238609680 is 8690683251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22251 + ... + 175989.

It is an arithmetic number, because the mean of its divisors is an integer number (343147680).

Almost surely, 2^15238609680 is an apocalyptic number.

15238609680 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 15238609680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27451814400).

15238609680 is an abundant number, since it is smaller than the sum of its proper divisors (39665019120).

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

15238609680 is a wasteful number, since it uses less digits than its factorization.

15238609680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153821 (or 153815 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 15238609680 in words is "fifteen billion, two hundred thirty-eight million, six hundred nine thousand, six hundred eighty".