18200488320 has 1024 divisors, whose sum is σ = 79949721600. Its totient is φ = 3818520576.

The previous prime is 18200488297. The next prime is 18200488349. The reversal of 18200488320 is 2388400281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 108984877 + ... + 108985043.

It is an arithmetic number, because the mean of its divisors is an integer number (78075900).

Almost surely, 2^18200488320 is an apocalyptic number.

18200488320 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 18200488320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39974860800).

18200488320 is an abundant number, since it is smaller than the sum of its proper divisors (61749233280).

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

18200488320 is a wasteful number, since it uses less digits than its factorization.

18200488320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 18200488320 in words is "eighteen billion, two hundred million, four hundred eighty-eight thousand, three hundred twenty".