440420044111 has 2 divisors, whose sum is σ = 440420044112. Its totient is φ = 440420044110.

The previous prime is 440420044081. The next prime is 440420044147. The reversal of 440420044111 is 111440024044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440420044111 - 2²⁵ = 440386489679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440420044151) 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 as a sum of consecutive naturals, namely, 220210022055 + 220210022056.

It is an arithmetic number, because the mean of its divisors is an integer number (220210022056).

Almost surely, 2^440420044111 is an apocalyptic number.

440420044111 is a deficient number, since it is larger than the sum of its proper divisors (1).

440420044111 is an equidigital number, since it uses as much as digits as its factorization.

440420044111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 440420044111 its reverse (111440024044), we get a palindrome (551860068155).

The spelling of 440420044111 in words is "four hundred forty billion, four hundred twenty million, forty-four thousand, one hundred eleven".