18042384404 has 12 divisors (see below), whose sum is σ = 34444552128. Its totient is φ = 8201083800.

The previous prime is 18042384403. The next prime is 18042384419. The reversal of 18042384404 is 40448324081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18042384403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205027052 + ... + 205027139.

It is an arithmetic number, because the mean of its divisors is an integer number (2870379344).

Almost surely, 2^18042384404 is an apocalyptic number.

It is an amenable number.

18042384404 is a deficient number, since it is larger than the sum of its proper divisors (16402167724).

18042384404 is a wasteful number, since it uses less digits than its factorization.

18042384404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410054206 (or 410054204 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The spelling of 18042384404 in words is "eighteen billion, forty-two million, three hundred eighty-four thousand, four hundred four".