18456380300 has 18 divisors (see below), whose sum is σ = 40050345468. Its totient is φ = 7382552080.

The previous prime is 18456380273. The next prime is 18456380309. The reversal of 18456380300 is 308365481.

It is not an unprimeable number, because it can be changed into a prime (18456380309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92281802 + ... + 92282001.

Almost surely, 2^18456380300 is an apocalyptic number.

18456380300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18456380300 is an abundant number, since it is smaller than the sum of its proper divisors (21593965168).

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

18456380300 is a wasteful number, since it uses less digits than its factorization.

18456380300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184563817 (or 184563810 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 18456380300 in words is "eighteen billion, four hundred fifty-six million, three hundred eighty thousand, three hundred".