18079933740 has 144 divisors (see below), whose sum is σ = 58573455360. Its totient is φ = 4152297600.

The previous prime is 18079933733. The next prime is 18079933769. The reversal of 18079933740 is 4733997081.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 72405 + ... + 203475.

Almost surely, 2^18079933740 is an apocalyptic number.

18079933740 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 18079933740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29286727680).

18079933740 is an abundant number, since it is smaller than the sum of its proper divisors (40493521620).

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

18079933740 is a wasteful number, since it uses less digits than its factorization.

18079933740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131124 (or 131111 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 18079933740 in words is "eighteen billion, seventy-nine million, nine hundred thirty-three thousand, seven hundred forty".