404040407404 has 6 divisors (see below), whose sum is σ = 707070712964. Its totient is φ = 202020203700.

The previous prime is 404040407401. The next prime is 404040407417. The reversal of 404040407404 is 404704040404.

It is not an unprimeable number, because it can be changed into a prime (404040407401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505050922 + ... + 50505050929.

Almost surely, 2^404040407404 is an apocalyptic number.

It is an amenable number.

404040407404 is a deficient number, since it is larger than the sum of its proper divisors (303030305560).

404040407404 is a wasteful number, since it uses less digits than its factorization.

404040407404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101010101855 (or 101010101853 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 31.

Adding to 404040407404 its reverse (404704040404), we get a palindrome (808744447808).

The spelling of 404040407404 in words is "four hundred four billion, forty million, four hundred seven thousand, four hundred four".