1440443422207 has 2 divisors, whose sum is σ = 1440443422208. Its totient is φ = 1440443422206.

The previous prime is 1440443422183. The next prime is 1440443422237. The reversal of 1440443422207 is 7022243440441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1440443422207 - 2¹¹ = 1440443420159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440443422237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720221711103 + 720221711104.

It is an arithmetic number, because the mean of its divisors is an integer number (720221711104).

Almost surely, 2^{1440443422207} is an apocalyptic number.

1440443422207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440443422207 is an equidigital number, since it uses as much as digits as its factorization.

1440443422207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 37.

Adding to 1440443422207 its reverse (7022243440441), we get a palindrome (8462686862648).

The spelling of 1440443422207 in words is "one trillion, four hundred forty billion, four hundred forty-three million, four hundred twenty-two thousand, two hundred seven".