404044440004 has 6 divisors (see below), whose sum is σ = 707077770014. Its totient is φ = 202022220000.

The previous prime is 404044439987. The next prime is 404044440049. The reversal of 404044440004 is 400044440404.

It can be written as a sum of positive squares in only one way, i.e., 336910593600 + 67133846404 = 580440^2 + 259102^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50505554997 + ... + 50505555004.

Almost surely, 2^404044440004 is an apocalyptic number.

It is an amenable number.

404044440004 is a deficient number, since it is larger than the sum of its proper divisors (303033330010).

404044440004 is a wasteful number, since it uses less digits than its factorization.

404044440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101011110005 (or 101011110003 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 404044440004 its reverse (400044440404), we get a palindrome (804088880408).

The spelling of 404044440004 in words is "four hundred four billion, forty-four million, four hundred forty thousand, four".