40242424291 has 2 divisors, whose sum is σ = 40242424292. Its totient is φ = 40242424290.

The previous prime is 40242424231. The next prime is 40242424303. The reversal of 40242424291 is 19242424204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40242424291 - 2⁹ = 40242423779 is a prime.

It is not a weakly prime, because it can be changed into another prime (40242424231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20121212145 + 20121212146.

It is an arithmetic number, because the mean of its divisors is an integer number (20121212146).

Almost surely, 2^40242424291 is an apocalyptic number.

40242424291 is a deficient number, since it is larger than the sum of its proper divisors (1).

40242424291 is an equidigital number, since it uses as much as digits as its factorization.

40242424291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 40242424291 its reverse (19242424204), we get a palindrome (59484848495).

The spelling of 40242424291 in words is "forty billion, two hundred forty-two million, four hundred twenty-four thousand, two hundred ninety-one".