4440344453 has 2 divisors, whose sum is σ = 4440344454. Its totient is φ = 4440344452.

The previous prime is 4440344449. The next prime is 4440344521. The reversal of 4440344453 is 3544430444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2708369764 + 1731974689 = 52042^2 + 41617^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440344453 - 2² = 4440344449 is a prime.

It is a super-2 number, since 2×4440344453² = 39433317722575738418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4440344413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220172226 + 2220172227.

It is an arithmetic number, because the mean of its divisors is an integer number (2220172227).

Almost surely, 2^4440344453 is an apocalyptic number.

It is an amenable number.

4440344453 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440344453 is an equidigital number, since it uses as much as digits as its factorization.

4440344453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 35.

The square root of 4440344453 is about 66635.9096358713. The cubic root of 4440344453 is about 1643.6356549238.

Adding to 4440344453 its reverse (3544430444), we get a palindrome (7984774897).

The spelling of 4440344453 in words is "four billion, four hundred forty million, three hundred forty-four thousand, four hundred fifty-three".