18324275200 has 540 divisors, whose sum is σ = 58362483312. Its totient is φ = 5642649600.

The previous prime is 18324275171. The next prime is 18324275213. The reversal of 18324275200 is 257242381.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 220774359 + ... + 220774441.

Almost surely, 2^18324275200 is an apocalyptic number.

18324275200 is a gapful number since it is divisible by the number (10) 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 18324275200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29181241656).

18324275200 is an abundant number, since it is smaller than the sum of its proper divisors (40038208112).

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

18324275200 is an equidigital number, since it uses as much as digits as its factorization.

18324275200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 18324275200 in words is "eighteen billion, three hundred twenty-four million, two hundred seventy-five thousand, two hundred".