443340041 has 2 divisors, whose sum is σ = 443340042. Its totient is φ = 443340040.

The previous prime is 443339999. The next prime is 443340047. The reversal of 443340041 is 140043344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428324416 + 15015625 = 20696^2 + 3875^2 .

It is a cyclic number.

It is not a de Polignac number, because 443340041 - 2¹⁸ = 443077897 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 443339989 and 443340016.

It is not a weakly prime, because it can be changed into another prime (443340047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221670020 + 221670021.

It is an arithmetic number, because the mean of its divisors is an integer number (221670021).

Almost surely, 2^443340041 is an apocalyptic number.

It is an amenable number.

443340041 is a deficient number, since it is larger than the sum of its proper divisors (1).

443340041 is an equidigital number, since it uses as much as digits as its factorization.

443340041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 443340041 is about 21055.6415480507. The cubic root of 443340041 is about 762.5101908877.

Adding to 443340041 its reverse (140043344), we get a palindrome (583383385).

The spelling of 443340041 in words is "four hundred forty-three million, three hundred forty thousand, forty-one".