18042930192 has 80 divisors (see below), whose sum is σ = 53378583552. Its totient is φ = 5144576640.

The previous prime is 18042930163. The next prime is 18042930281. The reversal of 18042930192 is 29103924081.

It is a self number, because there is not a number n which added to its sum of digits gives 18042930192.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110293 + ... + 219659.

Almost surely, 2^18042930192 is an apocalyptic number.

18042930192 is a gapful number since it is divisible by the number (12) 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 18042930192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26689291776).

18042930192 is an abundant number, since it is smaller than the sum of its proper divisors (35335653360).

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

18042930192 is a wasteful number, since it uses less digits than its factorization.

18042930192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109876 (or 109870 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 18042930192 in words is "eighteen billion, forty-two million, nine hundred thirty thousand, one hundred ninety-two".