40035411991 has 2 divisors, whose sum is σ = 40035411992. Its totient is φ = 40035411990.

The previous prime is 40035411971. The next prime is 40035412007. The reversal of 40035411991 is 19911453004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40035411991 - 2¹³ = 40035403799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40035411991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40035411971) 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, 20017705995 + 20017705996.

It is an arithmetic number, because the mean of its divisors is an integer number (20017705996).

Almost surely, 2^40035411991 is an apocalyptic number.

40035411991 is a deficient number, since it is larger than the sum of its proper divisors (1).

40035411991 is an equidigital number, since it uses as much as digits as its factorization.

40035411991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

Adding to 40035411991 its reverse (19911453004), we get a palindrome (59946864995).

The spelling of 40035411991 in words is "forty billion, thirty-five million, four hundred eleven thousand, nine hundred ninety-one".