4040041 has 2 divisors, whose sum is σ = 4040042. Its totient is φ = 4040040.

The previous prime is 4040021. The next prime is 4040053. The reversal of 4040041 is 1400404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4016016 + 24025 = 2004^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040041 - 2⁵ = 4040009 is a prime.

It is not a weakly prime, because it can be changed into another prime (4040011) 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, 2020020 + 2020021.

It is an arithmetic number, because the mean of its divisors is an integer number (2020021).

Almost surely, 2^4040041 is an apocalyptic number.

It is an amenable number.

4040041 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040041 is an equidigital number, since it uses as much as digits as its factorization.

4040041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4040041 is about 2009.9853233295. The cubic root of 4040041 is about 159.2680236101.

Adding to 4040041 its reverse (1400404), we get a palindrome (5440445).

The spelling of 4040041 in words is "four million, forty thousand, forty-one".