40344004511 has 2 divisors, whose sum is σ = 40344004512. Its totient is φ = 40344004510.

The previous prime is 40344004451. The next prime is 40344004513. The reversal of 40344004511 is 11540044304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40344004511 - 2⁶ = 40344004447 is a prime.

Together with 40344004513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40344004513) 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, 20172002255 + 20172002256.

It is an arithmetic number, because the mean of its divisors is an integer number (20172002256).

Almost surely, 2^40344004511 is an apocalyptic number.

40344004511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40344004511 is an equidigital number, since it uses as much as digits as its factorization.

40344004511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40344004511 its reverse (11540044304), we get a palindrome (51884048815).

The spelling of 40344004511 in words is "forty billion, three hundred forty-four million, four thousand, five hundred eleven".