1440111359 has 2 divisors, whose sum is σ = 1440111360. Its totient is φ = 1440111358.

The previous prime is 1440111329. The next prime is 1440111367. The reversal of 1440111359 is 9531110441.

It is a strong prime.

It is an emirp because it is prime and its reverse (9531110441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440111359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440111329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720055679 + 720055680.

It is an arithmetic number, because the mean of its divisors is an integer number (720055680).

Almost surely, 2^1440111359 is an apocalyptic number.

1440111359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440111359 is an equidigital number, since it uses as much as digits as its factorization.

1440111359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1440111359 is about 37948.7991773126. The cubic root of 1440111359 is about 1129.2723430267.

The spelling of 1440111359 in words is "one billion, four hundred forty million, one hundred eleven thousand, three hundred fifty-nine".