18404038182 has 8 divisors (see below), whose sum is σ = 36808076376. Its totient is φ = 6134679392.

The previous prime is 18404038073. The next prime is 18404038187. The reversal of 18404038182 is 28183040481.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

18404038182 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 18404038182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18404038187) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1533669843 + ... + 1533669854.

It is an arithmetic number, because the mean of its divisors is an integer number (4601009547).

Almost surely, 2^18404038182 is an apocalyptic number.

18404038182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18404038182 is a wasteful number, since it uses less digits than its factorization.

18404038182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067339702.

The product of its (nonzero) digits is 49152, while the sum is 39.

It can be divided in two parts, 184040 and 38182, that added together give a palindrome (222222).

The spelling of 18404038182 in words is "eighteen billion, four hundred four million, thirty-eight thousand, one hundred eighty-two".