404400400004 has 12 divisors (see below), whose sum is σ = 707743441104. Its totient is φ = 202187988264.

The previous prime is 404400399989. The next prime is 404400400007. The reversal of 404400400004 is 400004004404.

It is not an unprimeable number, because it can be changed into a prime (404400400007) 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, 2978222 + ... + 3111045.

It is an arithmetic number, because the mean of its divisors is an integer number (58978620092).

Almost surely, 2^404400400004 is an apocalyptic number.

It is an amenable number.

404400400004 is a deficient number, since it is larger than the sum of its proper divisors (303343041100).

404400400004 is a wasteful number, since it uses less digits than its factorization.

404400400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105874 (or 6105872 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 404400400004 its reverse (400004004404), we get a palindrome (804404404408).

The spelling of 404400400004 in words is "four hundred four billion, four hundred million, four hundred thousand, four".