4040143409 has 2 divisors, whose sum is σ = 4040143410. Its totient is φ = 4040143408.

The previous prime is 4040143363. The next prime is 4040143421. The reversal of 4040143409 is 9043410404.

4040143409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2984218384 + 1055925025 = 54628^2 + 32495^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040143409 - 2⁸ = 4040143153 is a prime.

It is a super-2 number, since 2×4040143409² = 32645517530572282562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4040163409) 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, 2020071704 + 2020071705.

It is an arithmetic number, because the mean of its divisors is an integer number (2020071705).

Almost surely, 2^4040143409 is an apocalyptic number.

It is an amenable number.

4040143409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040143409 is an equidigital number, since it uses as much as digits as its factorization.

4040143409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 4040143409 is about 63562.1224393900. The cubic root of 4040143409 is about 1592.6936933417.

The spelling of 4040143409 in words is "four billion, forty million, one hundred forty-three thousand, four hundred nine".