440444004405 has 16 divisors (see below), whose sum is σ = 705871394304. Its totient is φ = 234516473280.

The previous prime is 440444004347. The next prime is 440444004419. The reversal of 440444004405 is 504400444044.

It is not a de Polignac number, because 440444004405 - 2¹¹ = 440444002357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24177826 + ... + 24196035.

It is an arithmetic number, because the mean of its divisors is an integer number (44116962144).

Almost surely, 2^440444004405 is an apocalyptic number.

It is an amenable number.

440444004405 is a deficient number, since it is larger than the sum of its proper divisors (265427389899).

440444004405 is a wasteful number, since it uses less digits than its factorization.

440444004405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48374476.

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 440444004405 its reverse (504400444044), we get a palindrome (944844448449).

The spelling of 440444004405 in words is "four hundred forty billion, four hundred forty-four million, four thousand, four hundred five".