404444040005 has 8 divisors (see below), whose sum is σ = 485336287512. Its totient is φ = 323552939008.

The previous prime is 404444039981. The next prime is 404444040041. The reversal of 404444040005 is 500040444404.

It can be written as a sum of positive squares in 4 ways, for example, as 182883667201 + 221560372804 = 427649^2 + 470702^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404444040005 - 2¹⁰ = 404444038981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404444040005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094189 + ... + 1416381.

It is an arithmetic number, because the mean of its divisors is an integer number (60667035939).

Almost surely, 2^404444040005 is an apocalyptic number.

It is an amenable number.

404444040005 is a deficient number, since it is larger than the sum of its proper divisors (80892247507).

404444040005 is a wasteful number, since it uses less digits than its factorization.

404444040005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573255.

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 404444040005 its reverse (500040444404), we get a palindrome (904484484409).

The spelling of 404444040005 in words is "four hundred four billion, four hundred forty-four million, forty thousand, five".