404040444404 has 12 divisors (see below), whose sum is σ = 710185628544. Its totient is φ = 201130264824.

The previous prime is 404040444397. The next prime is 404040444419. The reversal of 404040444404 is 404444040404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222488324 + ... + 222490139.

It is an arithmetic number, because the mean of its divisors is an integer number (59182135712).

Almost surely, 2^404040444404 is an apocalyptic number.

It is an amenable number.

404040444404 is a deficient number, since it is larger than the sum of its proper divisors (306145184140).

404040444404 is a wasteful number, since it uses less digits than its factorization.

404040444404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444978694 (or 444978692 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 404040444404 its reverse (404444040404), we get a palindrome (808484484808).

The spelling of 404040444404 in words is "four hundred four billion, forty million, four hundred forty-four thousand, four hundred four".