404404404204 has 24 divisors (see below), whose sum is σ = 943633777968. Its totient is φ = 134798110720.

The previous prime is 404404404203. The next prime is 404404404223. The reversal of 404404404204 is 402404404404.

It is not an unprimeable number, because it can be changed into a prime (404404404203) 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, 108844 + ... + 905900.

It is an arithmetic number, because the mean of its divisors is an integer number (39318074082).

Almost surely, 2^404404404204 is an apocalyptic number.

It is an amenable number.

404404404204 is an abundant number, since it is smaller than the sum of its proper divisors (539229373764).

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

404404404204 is a wasteful number, since it uses less digits than its factorization.

404404404204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839345 (or 839343 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 404404404204 its reverse (402404404404), we get a palindrome (806808808608).

The spelling of 404404404204 in words is "four hundred four billion, four hundred four million, four hundred four thousand, two hundred four".