15479658940 has 12 divisors (see below), whose sum is σ = 32507283816. Its totient is φ = 6191863568.

The previous prime is 15479658919. The next prime is 15479658949. The reversal of 15479658940 is 4985697451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15479658949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386991454 + ... + 386991493.

It is an arithmetic number, because the mean of its divisors is an integer number (2708940318).

Almost surely, 2^15479658940 is an apocalyptic number.

15479658940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15479658940 is an abundant number, since it is smaller than the sum of its proper divisors (17027624876).

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

15479658940 is a wasteful number, since it uses less digits than its factorization.

15479658940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773982956 (or 773982954 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 15479658940 in words is "fifteen billion, four hundred seventy-nine million, six hundred fifty-eight thousand, nine hundred forty".