444044040431 has 2 divisors, whose sum is σ = 444044040432. Its totient is φ = 444044040430.

The previous prime is 444044040389. The next prime is 444044040437. The reversal of 444044040431 is 134040440444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444044040431 is a prime.

It is a super-2 number, since 2×444044040431² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444044040437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222022020215 + 222022020216.

It is an arithmetic number, because the mean of its divisors is an integer number (222022020216).

Almost surely, 2^444044040431 is an apocalyptic number.

444044040431 is a deficient number, since it is larger than the sum of its proper divisors (1).

444044040431 is an equidigital number, since it uses as much as digits as its factorization.

444044040431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 444044040431 its reverse (134040440444), we get a palindrome (578084480875).

The spelling of 444044040431 in words is "four hundred forty-four billion, forty-four million, forty thousand, four hundred thirty-one".