18916200480 has 48 divisors (see below), whose sum is σ = 59586033024. Its totient is φ = 5044320000.

The previous prime is 18916200473. The next prime is 18916200503. The reversal of 18916200480 is 8400261981.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19703896 + ... + 19704855.

It is an arithmetic number, because the mean of its divisors is an integer number (1241375688).

Almost surely, 2^18916200480 is an apocalyptic number.

18916200480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18916200480 is an abundant number, since it is smaller than the sum of its proper divisors (40669832544).

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

18916200480 is a wasteful number, since it uses less digits than its factorization.

18916200480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39408769 (or 39408761 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 18916200480 in words is "eighteen billion, nine hundred sixteen million, two hundred thousand, four hundred eighty".