440440441297 has 2 divisors, whose sum is σ = 440440441298. Its totient is φ = 440440441296.

The previous prime is 440440441279. The next prime is 440440441367. The reversal of 440440441297 is 792144044044.

Together with previous prime (440440441279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402773006736 + 37667434561 = 634644^2 + 194081^2 .

It is a cyclic number.

It is not a de Polignac number, because 440440441297 - 2¹¹ = 440440439249 is a prime.

It is a super-2 number, since 2×440440441297² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440440441897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220220220648 + 220220220649.

It is an arithmetic number, because the mean of its divisors is an integer number (220220220649).

Almost surely, 2^440440441297 is an apocalyptic number.

It is an amenable number.

440440441297 is a deficient number, since it is larger than the sum of its proper divisors (1).

440440441297 is an equidigital number, since it uses as much as digits as its factorization.

440440441297 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 440440441297 in words is "four hundred forty billion, four hundred forty million, four hundred forty-one thousand, two hundred ninety-seven".