13404431624 has 16 divisors (see below), whose sum is σ = 25717805520. Its totient is φ = 6546350160.

The previous prime is 13404431617. The next prime is 13404431653. The reversal of 13404431624 is 42613440431.

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, 19482842 + ... + 19483529.

It is an arithmetic number, because the mean of its divisors is an integer number (1607362845).

Almost surely, 2^13404431624 is an apocalyptic number.

It is an amenable number.

13404431624 is a deficient number, since it is larger than the sum of its proper divisors (12313373896).

13404431624 is a wasteful number, since it uses less digits than its factorization.

13404431624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38966420 (or 38966416 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 13404431624 in words is "thirteen billion, four hundred four million, four hundred thirty-one thousand, six hundred twenty-four".