440942842231 has 2 divisors, whose sum is σ = 440942842232. Its totient is φ = 440942842230.

The previous prime is 440942842201. The next prime is 440942842259. The reversal of 440942842231 is 132248249044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440942842231 - 2⁷ = 440942842103 is a prime.

It is a super-2 number, since 2×440942842231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440942842201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220471421115 + 220471421116.

It is an arithmetic number, because the mean of its divisors is an integer number (220471421116).

Almost surely, 2^440942842231 is an apocalyptic number.

440942842231 is a deficient number, since it is larger than the sum of its proper divisors (1).

440942842231 is an equidigital number, since it uses as much as digits as its factorization.

440942842231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 440942842231 in words is "four hundred forty billion, nine hundred forty-two million, eight hundred forty-two thousand, two hundred thirty-one".