440244420359 has 2 divisors, whose sum is σ = 440244420360. Its totient is φ = 440244420358.

The previous prime is 440244420283. The next prime is 440244420361. The reversal of 440244420359 is 953024442044.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440244420359 - 2¹² = 440244416263 is a prime.

Together with 440244420361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440244425359) 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, 220122210179 + 220122210180.

It is an arithmetic number, because the mean of its divisors is an integer number (220122210180).

Almost surely, 2^440244420359 is an apocalyptic number.

440244420359 is a deficient number, since it is larger than the sum of its proper divisors (1).

440244420359 is an equidigital number, since it uses as much as digits as its factorization.

440244420359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 41.

It can be divided in two parts, 44024442035 and 9, that added together give a palindrome (44024442044).

The spelling of 440244420359 in words is "four hundred forty billion, two hundred forty-four million, four hundred twenty thousand, three hundred fifty-nine".