4400040041 has 2 divisors, whose sum is σ = 4400040042. Its totient is φ = 4400040040.

The previous prime is 4400040023. The next prime is 4400040067. The reversal of 4400040041 is 1400400044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4076184025 + 323856016 = 63845^2 + 17996^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400040041 - 2²⁶ = 4332931177 is a prime.

It is not a weakly prime, because it can be changed into another prime (4400040241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200020020 + 2200020021.

It is an arithmetic number, because the mean of its divisors is an integer number (2200020021).

Almost surely, 2^4400040041 is an apocalyptic number.

It is an amenable number.

4400040041 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400040041 is an equidigital number, since it uses as much as digits as its factorization.

4400040041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4400040041 is about 66332.7976268150. The cubic root of 4400040041 is about 1638.6475118594.

Adding to 4400040041 its reverse (1400400044), we get a palindrome (5800440085).

The spelling of 4400040041 in words is "four billion, four hundred million, forty thousand, forty-one".