40740665041 has 2 divisors, whose sum is σ = 40740665042. Its totient is φ = 40740665040.

The previous prime is 40740665039. The next prime is 40740665047. The reversal of 40740665041 is 14056604704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37769979025 + 2970686016 = 194345^2 + 54504^2 .

It is a cyclic number.

It is not a de Polignac number, because 40740665041 - 2¹ = 40740665039 is a prime.

Together with 40740665039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40740665047) 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, 20370332520 + 20370332521.

It is an arithmetic number, because the mean of its divisors is an integer number (20370332521).

Almost surely, 2^40740665041 is an apocalyptic number.

It is an amenable number.

40740665041 is a deficient number, since it is larger than the sum of its proper divisors (1).

40740665041 is an equidigital number, since it uses as much as digits as its factorization.

40740665041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 40740665041 in words is "forty billion, seven hundred forty million, six hundred sixty-five thousand, forty-one".