4040235247 has 2 divisors, whose sum is σ = 4040235248. Its totient is φ = 4040235246.

The previous prime is 4040235119. The next prime is 4040235263. The reversal of 4040235247 is 7425320404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4040235247 - 2⁷ = 4040235119 is a prime.

It is a super-2 number, since 2×4040235247² = 32647001702202302018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040235347) 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, 2020117623 + 2020117624.

It is an arithmetic number, because the mean of its divisors is an integer number (2020117624).

Almost surely, 2^4040235247 is an apocalyptic number.

4040235247 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040235247 is an equidigital number, since it uses as much as digits as its factorization.

4040235247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 4040235247 is about 63562.8448623880. The cubic root of 4040235247 is about 1592.7057612875.

The spelling of 4040235247 in words is "four billion, forty million, two hundred thirty-five thousand, two hundred forty-seven".