1805090012368 has 20 divisors (see below), whose sum is σ = 3524900185600. Its totient is φ = 895438351584.

The previous prime is 1805090012333. The next prime is 1805090012381. The reversal of 1805090012368 is 8632100905081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444163818 + ... + 444167881.

It is an arithmetic number, because the mean of its divisors is an integer number (176245009280).

Almost surely, 2^{1805090012368} is an apocalyptic number.

It is an amenable number.

1805090012368 is a deficient number, since it is larger than the sum of its proper divisors (1719810173232).

1805090012368 is a wasteful number, since it uses less digits than its factorization.

1805090012368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888331834 (or 888331828 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 1805090012368 in words is "one trillion, eight hundred five billion, ninety million, twelve thousand, three hundred sixty-eight".