18225934120 has 32 divisors (see below), whose sum is σ = 41015963520. Its totient is φ = 7289020480.

The previous prime is 18225934109. The next prime is 18225934147. The reversal of 18225934120 is 2143952281.

It is a super-3 number, since 3×18225934120³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18225934120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191925 + ... + 270715.

It is an arithmetic number, because the mean of its divisors is an integer number (1281748860).

Almost surely, 2^18225934120 is an apocalyptic number.

18225934120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18225934120 is an abundant number, since it is smaller than the sum of its proper divisors (22790029400).

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

18225934120 is a wasteful number, since it uses less digits than its factorization.

18225934120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84585 (or 84581 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 18225934120 in words is "eighteen billion, two hundred twenty-five million, nine hundred thirty-four thousand, one hundred twenty".