440431343111 has 16 divisors (see below), whose sum is σ = 455320350720. Its totient is φ = 425585460960.

The previous prime is 440431343089. The next prime is 440431343117. The reversal of 440431343111 is 111343134044.

It is a cyclic number.

It is not a de Polignac number, because 440431343111 - 2⁶ = 440431343047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440431343117) 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 15 ways as a sum of consecutive naturals, for example, 82956725 + ... + 82962033.

It is an arithmetic number, because the mean of its divisors is an integer number (28457521920).

Almost surely, 2^440431343111 is an apocalyptic number.

440431343111 is a deficient number, since it is larger than the sum of its proper divisors (14889007609).

440431343111 is a wasteful number, since it uses less digits than its factorization.

440431343111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8846.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 440431343111 its reverse (111343134044), we get a palindrome (551774477155).

The spelling of 440431343111 in words is "four hundred forty billion, four hundred thirty-one million, three hundred forty-three thousand, one hundred eleven".