18304989120 has 1120 divisors, whose sum is σ = 77892249600. Its totient is φ = 4031078400.

The previous prime is 18304989113. The next prime is 18304989121. The reversal of 18304989120 is 2198940381.

18304989120 is a `hidden beast` number, since 1 + 8 + 30 + 498 + 9 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18304989121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 167935626 + ... + 167935734.

Almost surely, 2^18304989120 is an apocalyptic number.

18304989120 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 18304989120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38946124800).

18304989120 is an abundant number, since it is smaller than the sum of its proper divisors (59587260480).

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

18304989120 is a wasteful number, since it uses less digits than its factorization.

18304989120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 18304989120 in words is "eighteen billion, three hundred four million, nine hundred eighty-nine thousand, one hundred twenty".