18424895344 has 20 divisors (see below), whose sum is σ = 36099341280. Its totient is φ = 9108936320.

The previous prime is 18424895329. The next prime is 18424895381. The reversal of 18424895344 is 44359842481.

It is a junction number, because it is equal to n+sod(n) for n = 18424895291 and 18424895300.

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, 6467992 + ... + 6470839.

It is an arithmetic number, because the mean of its divisors is an integer number (1804967064).

Almost surely, 2^18424895344 is an apocalyptic number.

It is an amenable number.

18424895344 is a deficient number, since it is larger than the sum of its proper divisors (17674445936).

18424895344 is a wasteful number, since it uses less digits than its factorization.

18424895344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12938928 (or 12938922 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 18424895344 in words is "eighteen billion, four hundred twenty-four million, eight hundred ninety-five thousand, three hundred forty-four".