1440130443317 has 2 divisors, whose sum is σ = 1440130443318. Its totient is φ = 1440130443316.

The previous prime is 1440130443293. The next prime is 1440130443329. The reversal of 1440130443317 is 7133440310441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 784785146161 + 655345297156 = 885881^2 + 809534^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440130443317 - 2²⁰ = 1440129394741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440130443377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720065221658 + 720065221659.

It is an arithmetic number, because the mean of its divisors is an integer number (720065221659).

Almost surely, 2^{1440130443317} is an apocalyptic number.

It is an amenable number.

1440130443317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440130443317 is an equidigital number, since it uses as much as digits as its factorization.

1440130443317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 1440130443317 its reverse (7133440310441), we get a palindrome (8573570753758).

The spelling of 1440130443317 in words is "one trillion, four hundred forty billion, one hundred thirty million, four hundred forty-three thousand, three hundred seventeen".