440023231297 has 16 divisors (see below), whose sum is σ = 495600779520. Its totient is φ = 387630378432.

The previous prime is 440023231247. The next prime is 440023231391. The reversal of 440023231297 is 792132320044.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 440023231297 - 2¹⁹ = 440022707009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440023231217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1544878 + ... + 1807399.

It is an arithmetic number, because the mean of its divisors is an integer number (30975048720).

Almost surely, 2^440023231297 is an apocalyptic number.

It is an amenable number.

440023231297 is a deficient number, since it is larger than the sum of its proper divisors (55577548223).

440023231297 is a wasteful number, since it uses less digits than its factorization.

440023231297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352752.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 440023231297 in words is "four hundred forty billion, twenty-three million, two hundred thirty-one thousand, two hundred ninety-seven".