440003441 has 2 divisors, whose sum is σ = 440003442. Its totient is φ = 440003440.

The previous prime is 440003419. The next prime is 440003449. The reversal of 440003441 is 144300044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433264225 + 6739216 = 20815^2 + 2596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440003441 is a prime.

It is a Chen prime.

It is a zygodrome in base 9.

It is not a weakly prime, because it can be changed into another prime (440003449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220001720 + 220001721.

It is an arithmetic number, because the mean of its divisors is an integer number (220001721).

Almost surely, 2^440003441 is an apocalyptic number.

It is an amenable number.

440003441 is a deficient number, since it is larger than the sum of its proper divisors (1).

440003441 is an equidigital number, since it uses as much as digits as its factorization.

440003441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440003441 is about 20976.2589848619. The cubic root of 440003441 is about 760.5924748682.

Adding to 440003441 its reverse (144300044), we get a palindrome (584303485).

The spelling of 440003441 in words is "four hundred forty million, three thousand, four hundred forty-one".