40041013997 has 2 divisors, whose sum is σ = 40041013998. Its totient is φ = 40041013996.

The previous prime is 40041013939. The next prime is 40041014051. The reversal of 40041013997 is 79931014004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36529147876 + 3511866121 = 191126^2 + 59261^2 .

It is a cyclic number.

It is not a de Polignac number, because 40041013997 - 2⁸ = 40041013741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40041013997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40041013097) 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, 20020506998 + 20020506999.

It is an arithmetic number, because the mean of its divisors is an integer number (20020506999).

Almost surely, 2^40041013997 is an apocalyptic number.

It is an amenable number.

40041013997 is a deficient number, since it is larger than the sum of its proper divisors (1).

40041013997 is an equidigital number, since it uses as much as digits as its factorization.

40041013997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 40041013997 in words is "forty billion, forty-one million, thirteen thousand, nine hundred ninety-seven".