40594386913 has 4 divisors (see below), whose sum is σ = 40604981508. Its totient is φ = 40583792320.

The previous prime is 40594386827. The next prime is 40594386947. The reversal of 40594386913 is 31968349504.

It is a happy number.

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 2811968784 + 37782418129 = 53028^2 + 194377^2 .

It is a cyclic number.

It is not a de Polignac number, because 40594386913 - 2⁹ = 40594386401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40594380913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5291548 + ... + 5299213.

It is an arithmetic number, because the mean of its divisors is an integer number (10151245377).

Almost surely, 2^40594386913 is an apocalyptic number.

It is an amenable number.

40594386913 is a deficient number, since it is larger than the sum of its proper divisors (10594595).

40594386913 is a wasteful number, since it uses less digits than its factorization.

40594386913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594594.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 40594386913 in words is "forty billion, five hundred ninety-four million, three hundred eighty-six thousand, nine hundred thirteen".