40518564816041 has 16 divisors (see below), whose sum is σ = 43905631736064. Its totient is φ = 37170197123904.

The previous prime is 40518564816029. The next prime is 40518564816071. The reversal of 40518564816041 is 14061846581504.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-40518564816041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40518564816071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8741135 + ... + 12547691.

It is an arithmetic number, because the mean of its divisors is an integer number (2744101983504).

Almost surely, 2^{40518564816041} is an apocalyptic number.

It is an amenable number.

40518564816041 is a deficient number, since it is larger than the sum of its proper divisors (3387066920023).

40518564816041 is a wasteful number, since it uses less digits than its factorization.

40518564816041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811640.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 40518564816041 in words is "forty trillion, five hundred eighteen billion, five hundred sixty-four million, eight hundred sixteen thousand, forty-one".