15383799680 has 32 divisors (see below), whose sum is σ = 36776897640. Its totient is φ = 6153519616.

The previous prime is 15383799677. The next prime is 15383799701. The reversal of 15383799680 is 8699738351.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×15383799680² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12017954 + ... + 12019233.

Almost surely, 2^15383799680 is an apocalyptic number.

15383799680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15383799680 is an abundant number, since it is smaller than the sum of its proper divisors (21393097960).

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

15383799680 is an equidigital number, since it uses as much as digits as its factorization.

15383799680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24037206 (or 24037194 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 15383799680 in words is "fifteen billion, three hundred eighty-three million, seven hundred ninety-nine thousand, six hundred eighty".