1805386000104 has 64 divisors (see below), whose sum is σ = 5015377224000. Its totient is φ = 601745400000.

The previous prime is 1805386000081. The next prime is 1805386000123. The reversal of 1805386000104 is 4010006835081.

1805386000104 is a `hidden beast` number, since 1 + 8 + 0 + 5 + 38 + 600 + 0 + 10 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2309479 + ... + 2990729.

It is an arithmetic number, because the mean of its divisors is an integer number (78365269125).

Almost surely, 2^{1805386000104} is an apocalyptic number.

It is an amenable number.

1805386000104 is an abundant number, since it is smaller than the sum of its proper divisors (3209991223896).

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

1805386000104 is a wasteful number, since it uses less digits than its factorization.

1805386000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693535 (or 693525 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 1805386000104 in words is "one trillion, eight hundred five billion, three hundred eighty-six million, one hundred four", and thus it is an aban number.