1808606820080 has 40 divisors (see below), whose sum is σ = 4243588958400. Its totient is φ = 716805635328.

The previous prime is 1808606820079. The next prime is 1808606820161. The reversal of 1808606820080 is 800286068081.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 103695800 + ... + 103713239.

It is an arithmetic number, because the mean of its divisors is an integer number (106089723960).

Almost surely, 2^{1808606820080} is an apocalyptic number.

1808606820080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1808606820080 is an abundant number, since it is smaller than the sum of its proper divisors (2434982138320).

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

1808606820080 is a wasteful number, since it uses less digits than its factorization.

1808606820080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207409161 (or 207409155 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 1808606820080 in words is "one trillion, eight hundred eight billion, six hundred six million, eight hundred twenty thousand, eighty".