15168440680 has 32 divisors (see below), whose sum is σ = 34300512000. Its totient is φ = 6036883776.

The previous prime is 15168440663. The next prime is 15168440687. The reversal of 15168440680 is 8604486151.

It is not an unprimeable number, because it can be changed into a prime (15168440687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944832 + ... + 960751.

It is an arithmetic number, because the mean of its divisors is an integer number (1071891000).

Almost surely, 2^15168440680 is an apocalyptic number.

15168440680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15168440680 is an abundant number, since it is smaller than the sum of its proper divisors (19132071320).

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

15168440680 is a wasteful number, since it uses less digits than its factorization.

15168440680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905793 (or 1905789 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 15168440680 in words is "fifteen billion, one hundred sixty-eight million, four hundred forty thousand, six hundred eighty".