40563464041 has 4 divisors (see below), whose sum is σ = 40821830212. Its totient is φ = 40305097872.

The previous prime is 40563463949. The next prime is 40563464083. The reversal of 40563464041 is 14046436504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12214670400 + 28348793641 = 110520^2 + 168371^2 .

It is a cyclic number.

It is not a de Polignac number, because 40563464041 - 2²¹ = 40561366889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40563464141) 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 in 3 ways as a sum of consecutive naturals, for example, 129182850 + ... + 129183163.

It is an arithmetic number, because the mean of its divisors is an integer number (10205457553).

Almost surely, 2^40563464041 is an apocalyptic number.

40563464041 is the 116281-st hex number.

It is an amenable number.

40563464041 is a deficient number, since it is larger than the sum of its proper divisors (258366171).

40563464041 is a wasteful number, since it uses less digits than its factorization.

40563464041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258366170.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 40563464041 in words is "forty billion, five hundred sixty-three million, four hundred sixty-four thousand, forty-one".