18243093120 has 256 divisors, whose sum is σ = 66591866880. Its totient is φ = 4161392640.

The previous prime is 18243093107. The next prime is 18243093139. The reversal of 18243093120 is 2139034281.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8640865 + ... + 8642975.

It is an arithmetic number, because the mean of its divisors is an integer number (260124480).

Almost surely, 2^18243093120 is an apocalyptic number.

18243093120 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 18243093120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33295933440).

18243093120 is an abundant number, since it is smaller than the sum of its proper divisors (48348773760).

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

18243093120 is a wasteful number, since it uses less digits than its factorization.

18243093120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 18243093120 in words is "eighteen billion, two hundred forty-three million, ninety-three thousand, one hundred twenty".