408004404892 has 18 divisors (see below), whose sum is σ = 830580396072. Its totient is φ = 174859030584.

The previous prime is 408004404889. The next prime is 408004404917. The reversal of 408004404892 is 298404400804.

It is a super-3 number, since 3×408004404892³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1040827368 + ... + 1040827759.

Almost surely, 2^408004404892 is an apocalyptic number.

It is an amenable number.

408004404892 is an abundant number, since it is smaller than the sum of its proper divisors (422575991180).

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

408004404892 is a wasteful number, since it uses less digits than its factorization.

408004404892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081655145 (or 2081655136 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 408004404892 in words is "four hundred eight billion, four million, four hundred four thousand, eight hundred ninety-two".