18450770814 has 48 divisors (see below), whose sum is σ = 47379765888. Its totient is φ = 5271647832.

The previous prime is 18450770801. The next prime is 18450770869. The reversal of 18450770814 is 41807705481.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18450770814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2708352 + ... + 2715155.

It is an arithmetic number, because the mean of its divisors is an integer number (987078456).

Almost surely, 2^18450770814 is an apocalyptic number.

18450770814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18450770814 is an abundant number, since it is smaller than the sum of its proper divisors (28928995074).

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

18450770814 is an equidigital number, since it uses as much as digits as its factorization.

18450770814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423531 (or 5423519 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 18450770814 in words is "eighteen billion, four hundred fifty million, seven hundred seventy thousand, eight hundred fourteen".