408204179844 has 12 divisors (see below), whose sum is σ = 952476419664. Its totient is φ = 136068059944.

The previous prime is 408204179827. The next prime is 408204179849. The reversal of 408204179844 is 448971402804.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×408204179844² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (408204179849) 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, 17008507482 + ... + 17008507505.

It is an arithmetic number, because the mean of its divisors is an integer number (79373034972).

Almost surely, 2^408204179844 is an apocalyptic number.

It is an amenable number.

408204179844 is an abundant number, since it is smaller than the sum of its proper divisors (544272239820).

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

408204179844 is a wasteful number, since it uses less digits than its factorization.

408204179844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34017014994 (or 34017014992 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 408204179844 in words is "four hundred eight billion, two hundred four million, one hundred seventy-nine thousand, eight hundred forty-four".