808440408408 has 16 divisors (see below), whose sum is σ = 2021101021080. Its totient is φ = 269480136128.

The previous prime is 808440408403. The next prime is 808440408409. The reversal of 808440408408 is 804804044808.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808440408403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16842508485 + ... + 16842508532.

Almost surely, 2^808440408408 is an apocalyptic number.

It is an amenable number.

808440408408 is an abundant number, since it is smaller than the sum of its proper divisors (1212660612672).

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

808440408408 is a wasteful number, since it uses less digits than its factorization.

808440408408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33685017026 (or 33685017022 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The spelling of 808440408408 in words is "eight hundred eight billion, four hundred forty million, four hundred eight thousand, four hundred eight".