404220204204 has 12 divisors (see below), whose sum is σ = 943180476504. Its totient is φ = 134740068064.

The previous prime is 404220204181. The next prime is 404220204209. The reversal of 404220204204 is 402402022404.

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

It is not an unprimeable number, because it can be changed into a prime (404220204209) 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, 16842508497 + ... + 16842508520.

It is an arithmetic number, because the mean of its divisors is an integer number (78598373042).

Almost surely, 2^404220204204 is an apocalyptic number.

It is an amenable number.

404220204204 is an abundant number, since it is smaller than the sum of its proper divisors (538960272300).

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

404220204204 is a wasteful number, since it uses less digits than its factorization.

404220204204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33685017024 (or 33685017022 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404220204204 its reverse (402402022404), we get a palindrome (806622226608).

The spelling of 404220204204 in words is "four hundred four billion, two hundred twenty million, two hundred four thousand, two hundred four".