404400004004 has 12 divisors (see below), whose sum is σ = 719694922800. Its totient is φ = 198772883208.

The previous prime is 404400003991. The next prime is 404400004009. The reversal of 404400004004 is 400400004404.

It is not an unprimeable number, because it can be changed into a prime (404400004009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856779434 + ... + 856779905.

It is an arithmetic number, because the mean of its divisors is an integer number (59974576900).

Almost surely, 2^404400004004 is an apocalyptic number.

It is an amenable number.

404400004004 is a deficient number, since it is larger than the sum of its proper divisors (315294918796).

404400004004 is a wasteful number, since it uses less digits than its factorization.

404400004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713559402 (or 1713559400 counting only the distinct ones).

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

Adding to 404400004004 its reverse (400400004404), we get a palindrome (804800008408).

The spelling of 404400004004 in words is "four hundred four billion, four hundred million, four thousand, four".