440224424197 has 2 divisors, whose sum is σ = 440224424198. Its totient is φ = 440224424196.

The previous prime is 440224424149. The next prime is 440224424309. The reversal of 440224424197 is 791424422044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440224288036 + 136161 = 663494^2 + 369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440224424197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440224424117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220112212098 + 220112212099.

It is an arithmetic number, because the mean of its divisors is an integer number (220112212099).

Almost surely, 2^440224424197 is an apocalyptic number.

It is an amenable number.

440224424197 is a deficient number, since it is larger than the sum of its proper divisors (1).

440224424197 is an equidigital number, since it uses as much as digits as its factorization.

440224424197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 440224424197 in words is "four hundred forty billion, two hundred twenty-four million, four hundred twenty-four thousand, one hundred ninety-seven".