440243383 has 2 divisors, whose sum is σ = 440243384. Its totient is φ = 440243382.

The previous prime is 440243351. The next prime is 440243413. The reversal of 440243383 is 383342044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440243383 - 2⁵ = 440243351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440243303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220121691 + 220121692.

It is an arithmetic number, because the mean of its divisors is an integer number (220121692).

Almost surely, 2^440243383 is an apocalyptic number.

440243383 is a deficient number, since it is larger than the sum of its proper divisors (1).

440243383 is an equidigital number, since it uses as much as digits as its factorization.

440243383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 440243383 is about 20981.9775760056. The cubic root of 440243383 is about 760.7307047845.

The spelling of 440243383 in words is "four hundred forty million, two hundred forty-three thousand, three hundred eighty-three".