440044244447 has 2 divisors, whose sum is σ = 440044244448. Its totient is φ = 440044244446.

The previous prime is 440044244363. The next prime is 440044244509. The reversal of 440044244447 is 744442440044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440044244447 - 2¹⁰ = 440044243423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440044244147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220022122223 + 220022122224.

It is an arithmetic number, because the mean of its divisors is an integer number (220022122224).

Almost surely, 2^440044244447 is an apocalyptic number.

440044244447 is a deficient number, since it is larger than the sum of its proper divisors (1).

440044244447 is an equidigital number, since it uses as much as digits as its factorization.

440044244447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 917504, while the sum is 41.

The spelling of 440044244447 in words is "four hundred forty billion, forty-four million, two hundred forty-four thousand, four hundred forty-seven".