18851510480 has 80 divisors (see below), whose sum is σ = 47838259584. Its totient is φ = 6851658240.

The previous prime is 18851510441. The next prime is 18851510567. The reversal of 18851510480 is 8401515881.

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 15 ways as a sum of consecutive naturals, for example, 2325314 + ... + 2333406.

Almost surely, 2^18851510480 is an apocalyptic number.

18851510480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18851510480 is an abundant number, since it is smaller than the sum of its proper divisors (28986749104).

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

18851510480 is a wasteful number, since it uses less digits than its factorization.

18851510480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10764 (or 10758 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 41.

The spelling of 18851510480 in words is "eighteen billion, eight hundred fifty-one million, five hundred ten thousand, four hundred eighty".