1440543341 has 2 divisors, whose sum is σ = 1440543342. Its totient is φ = 1440543340.

The previous prime is 1440543287. The next prime is 1440543359. The reversal of 1440543341 is 1433450441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 987279241 + 453264100 = 31421^2 + 21290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440543341 - 2⁶ = 1440543277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440543541) 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, 720271670 + 720271671.

It is an arithmetic number, because the mean of its divisors is an integer number (720271671).

Almost surely, 2^1440543341 is an apocalyptic number.

It is an amenable number.

1440543341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440543341 is an equidigital number, since it uses as much as digits as its factorization.

1440543341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1440543341 is about 37954.4903931011. The cubic root of 1440543341 is about 1129.3852455356.

Adding to 1440543341 its reverse (1433450441), we get a palindrome (2873993782).

The spelling of 1440543341 in words is "one billion, four hundred forty million, five hundred forty-three thousand, three hundred forty-one".