15500642304 has 192 divisors, whose sum is σ = 47408699520. Its totient is φ = 4411883520.

The previous prime is 15500642299. The next prime is 15500642317. The reversal of 15500642304 is 40324600551.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15181314 + ... + 15182334.

It is an arithmetic number, because the mean of its divisors is an integer number (246920310).

Almost surely, 2^15500642304 is an apocalyptic number.

15500642304 is a gapful number since it is divisible by the number (14) 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 15500642304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23704349760).

15500642304 is an abundant number, since it is smaller than the sum of its proper divisors (31908057216).

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

15500642304 is a wasteful number, since it uses less digits than its factorization.

15500642304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 15500642304 in words is "fifteen billion, five hundred million, six hundred forty-two thousand, three hundred four".