40068241 has 2 divisors, whose sum is σ = 40068242. Its totient is φ = 40068240.

The previous prime is 40068229. The next prime is 40068251. The reversal of 40068241 is 14286004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37161216 + 2907025 = 6096^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 40068241 - 2⁵ = 40068209 is a prime.

It is not a weakly prime, because it can be changed into another prime (40068251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20034120 + 20034121.

It is an arithmetic number, because the mean of its divisors is an integer number (20034121).

Almost surely, 2^40068241 is an apocalyptic number.

It is an amenable number.

40068241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40068241 is an equidigital number, since it uses as much as digits as its factorization.

40068241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 40068241 is about 6329.9479460735. The cubic root of 40068241 is about 342.1895629561.

The spelling of 40068241 in words is "forty million, sixty-eight thousand, two hundred forty-one".