4040040443 has 2 divisors, whose sum is σ = 4040040444. Its totient is φ = 4040040442.

The previous prime is 4040040427. The next prime is 4040040449. The reversal of 4040040443 is 3440400404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4040040443 - 2⁴ = 4040040427 is a prime.

It is not a weakly prime, because it can be changed into another prime (4040040449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020020221 + 2020020222.

It is an arithmetic number, because the mean of its divisors is an integer number (2020020222).

Almost surely, 2^4040040443 is an apocalyptic number.

4040040443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040040443 is an equidigital number, since it uses as much as digits as its factorization.

4040040443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4040040443 is about 63561.3124707160. The cubic root of 4040040443 is about 1592.6801629069.

Adding to 4040040443 its reverse (3440400404), we get a palindrome (7480440847).

The spelling of 4040040443 in words is "four billion, forty million, forty thousand, four hundred forty-three".