1838400038204 has 12 divisors (see below), whose sum is σ = 3242532351744. Its totient is φ = 911962223424.

The previous prime is 1838400038047. The next prime is 1838400038219. The reversal of 1838400038204 is 4028300048381.

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, 1809448349 + ... + 1809449364.

It is an arithmetic number, because the mean of its divisors is an integer number (270211029312).

Almost surely, 2^{1838400038204} is an apocalyptic number.

It is an amenable number.

1838400038204 is a deficient number, since it is larger than the sum of its proper divisors (1404132313540).

1838400038204 is a wasteful number, since it uses less digits than its factorization.

1838400038204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618897844 (or 3618897842 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 1838400038204 in words is "one trillion, eight hundred thirty-eight billion, four hundred million, thirty-eight thousand, two hundred four".