18083386044 has 36 divisors (see below), whose sum is σ = 47287017960. Its totient is φ = 5819940000.

The previous prime is 18083386019. The next prime is 18083386049. The reversal of 18083386044 is 44068338081.

18083386044 is a `hidden beast` number, since 1 + 8 + 0 + 8 + 3 + 38 + 604 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×18083386044³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18083386049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8659582 + ... + 8661669.

Almost surely, 2^18083386044 is an apocalyptic number.

It is an amenable number.

18083386044 is an abundant number, since it is smaller than the sum of its proper divisors (29203631916).

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

18083386044 is a wasteful number, since it uses less digits than its factorization.

18083386044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17321290 (or 17321285 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 18083386044 in words is "eighteen billion, eighty-three million, three hundred eighty-six thousand, forty-four".