404404400002 has 16 divisors (see below), whose sum is σ = 614473747200. Its totient is φ = 199581389280.

The previous prime is 404404399979. The next prime is 404404400009. The reversal of 404404400002 is 200004404404.

It is not an unprimeable number, because it can be changed into a prime (404404400009) 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, 125574 + ... + 908062.

It is an arithmetic number, because the mean of its divisors is an integer number (38404609200).

Almost surely, 2^404404400002 is an apocalyptic number.

404404400002 is a deficient number, since it is larger than the sum of its proper divisors (210069347198).

404404400002 is a wasteful number, since it uses less digits than its factorization.

404404400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785841.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 404404400002 its reverse (200004404404), we get a palindrome (604408804406).

The spelling of 404404400002 in words is "four hundred four billion, four hundred four million, four hundred thousand, two".