40163317793 has 4 divisors (see below), whose sum is σ = 40175278080. Its totient is φ = 40151357508.

The previous prime is 40163317771. The next prime is 40163317813. The reversal of 40163317793 is 39771336104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40163317793 is a prime.

It is a super-2 number, since 2×40163317793² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40163317703) 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 in 3 ways as a sum of consecutive naturals, for example, 5975105 + ... + 5981822.

It is an arithmetic number, because the mean of its divisors is an integer number (10043819520).

Almost surely, 2^40163317793 is an apocalyptic number.

It is an amenable number.

40163317793 is a deficient number, since it is larger than the sum of its proper divisors (11960287).

40163317793 is a wasteful number, since it uses less digits than its factorization.

40163317793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11960286.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 40163317793 in words is "forty billion, one hundred sixty-three million, three hundred seventeen thousand, seven hundred ninety-three".