18814410912 has 192 divisors, whose sum is σ = 54671500800. Its totient is φ = 5617966080.

The previous prime is 18814410893. The next prime is 18814410917. The reversal of 18814410912 is 21901441881.

It is not an unprimeable number, because it can be changed into a prime (18814410917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30394539 + ... + 30395157.

It is an arithmetic number, because the mean of its divisors is an integer number (284747400).

Almost surely, 2^18814410912 is an apocalyptic number.

18814410912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18814410912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27335750400).

18814410912 is an abundant number, since it is smaller than the sum of its proper divisors (35857089888).

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

18814410912 is a wasteful number, since it uses less digits than its factorization.

18814410912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The spelling of 18814410912 in words is "eighteen billion, eight hundred fourteen million, four hundred ten thousand, nine hundred twelve".