18824979000 has 64 divisors (see below), whose sum is σ = 58733943840. Its totient is φ = 5019993600.

The previous prime is 18824978983. The next prime is 18824979037. The reversal of 18824979000 is 97942881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3134497 + ... + 3140496.

Almost surely, 2^18824979000 is an apocalyptic number.

18824979000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18824979000 is an abundant number, since it is smaller than the sum of its proper divisors (39908964840).

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

18824979000 is a wasteful number, since it uses less digits than its factorization.

18824979000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275017 (or 6275003 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 18824979000 in words is "eighteen billion, eight hundred twenty-four million, nine hundred seventy-nine thousand".