440244071 has 2 divisors, whose sum is σ = 440244072. Its totient is φ = 440244070.

The previous prime is 440244061. The next prime is 440244109. The reversal of 440244071 is 170442044.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440244071 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440244071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440244061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220122035 + 220122036.

It is an arithmetic number, because the mean of its divisors is an integer number (220122036).

Almost surely, 2^440244071 is an apocalyptic number.

440244071 is a deficient number, since it is larger than the sum of its proper divisors (1).

440244071 is an equidigital number, since it uses as much as digits as its factorization.

440244071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 440244071 is about 20981.9939710219. The cubic root of 440244071 is about 760.7311010672.

The spelling of 440244071 in words is "four hundred forty million, two hundred forty-four thousand, seventy-one".