1805441914404 has 48 divisors (see below), whose sum is σ = 4794940597440. Its totient is φ = 587135580480.

The previous prime is 1805441914403. The next prime is 1805441914417. The reversal of 1805441914404 is 4044191445081.

1805441914404 is a `hidden beast` number, since 1 + 8 + 0 + 54 + 4 + 191 + 4 + 404 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1805441914404.

It is not an unprimeable number, because it can be changed into a prime (1805441914403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 203862094 + ... + 203870949.

It is an arithmetic number, because the mean of its divisors is an integer number (99894595780).

Almost surely, 2^{1805441914404} is an apocalyptic number.

It is an amenable number.

1805441914404 is an abundant number, since it is smaller than the sum of its proper divisors (2989498683036).

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

1805441914404 is a wasteful number, since it uses less digits than its factorization.

1805441914404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407733097 (or 407733089 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 1805441914404 in words is "one trillion, eight hundred five billion, four hundred forty-one million, nine hundred fourteen thousand, four hundred four".