18382466203444 has 12 divisors (see below), whose sum is σ = 36764932406944. Its totient is φ = 7878199801464.

The previous prime is 18382466203417. The next prime is 18382466203457. The reversal of 18382466203444 is 44430266428381.

It is a happy number.

18382466203444 is an admirable number.

It is a super-2 number, since 2×18382466203444² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328258325034 + ... + 328258325089.

Almost surely, 2^{18382466203444} is an apocalyptic number.

18382466203444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18382466203444 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.

18382466203444 is a wasteful number, since it uses less digits than its factorization.

18382466203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656516650134 (or 656516650132 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 55.

The spelling of 18382466203444 in words is "eighteen trillion, three hundred eighty-two billion, four hundred sixty-six million, two hundred three thousand, four hundred forty-four".