18079200000 has 756 divisors, whose sum is σ = 69810906816. Its totient is φ = 4665600000.

The previous prime is 18079199953. The next prime is 18079200049. The reversal of 18079200000 is 297081.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 583199985 + ... + 583200015.

Almost surely, 2^18079200000 is an apocalyptic number.

18079200000 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 18079200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34905453408).

18079200000 is an abundant number, since it is smaller than the sum of its proper divisors (51731706816).

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

18079200000 is an frugal number, since it uses more digits than its factorization.

18079200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

Adding to 18079200000 its reverse (297081), we get a palindrome (18079497081).

The spelling of 18079200000 in words is "eighteen billion, seventy-nine million, two hundred thousand".