18508142080 has 80 divisors (see below), whose sum is σ = 46986635520. Its totient is φ = 6967754752.

The previous prime is 18508141987. The next prime is 18508142123. The reversal of 18508142080 is 8024180581.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 169120 + ... + 256159.

It is an arithmetic number, because the mean of its divisors is an integer number (587332944).

Almost surely, 2^18508142080 is an apocalyptic number.

18508142080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18508142080 is an abundant number, since it is smaller than the sum of its proper divisors (28478493440).

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

18508142080 is an equidigital number, since it uses as much as digits as its factorization.

18508142080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425319 (or 425303 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The spelling of 18508142080 in words is "eighteen billion, five hundred eight million, one hundred forty-two thousand, eighty".