440144377927 has 2 divisors, whose sum is σ = 440144377928. Its totient is φ = 440144377926.

The previous prime is 440144377867. The next prime is 440144377931. The reversal of 440144377927 is 729773441044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440144377927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440144377627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220072188963 + 220072188964.

It is an arithmetic number, because the mean of its divisors is an integer number (220072188964).

Almost surely, 2^440144377927 is an apocalyptic number.

440144377927 is a deficient number, since it is larger than the sum of its proper divisors (1).

440144377927 is an equidigital number, since it uses as much as digits as its factorization.

440144377927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 440144377927 in words is "four hundred forty billion, one hundred forty-four million, three hundred seventy-seven thousand, nine hundred twenty-seven".