808400004485 has 8 divisors (see below), whose sum is σ = 970273240056. Its totient is φ = 646591180480.

The previous prime is 808400004481. The next prime is 808400004487. The reversal of 808400004485 is 584400004808.

It can be written as a sum of positive squares in 4 ways, for example, as 44413876516 + 763986127969 = 210746^2 + 874063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 808400004485 - 2² = 808400004481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808400004481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16075274 + ... + 16125483.

It is an arithmetic number, because the mean of its divisors is an integer number (121284155007).

Almost surely, 2^808400004485 is an apocalyptic number.

It is an amenable number.

808400004485 is a deficient number, since it is larger than the sum of its proper divisors (161873235571).

808400004485 is a wasteful number, since it uses less digits than its factorization.

808400004485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32205783.

The product of its (nonzero) digits is 163840, while the sum is 41.

The spelling of 808400004485 in words is "eight hundred eight billion, four hundred million, four thousand, four hundred eighty-five".