40163926539868 has 24 divisors (see below), whose sum is σ = 71136849450240. Its totient is φ = 19839133828080.

The previous prime is 40163926539827. The next prime is 40163926539871. The reversal of 40163926539868 is 86893562936104.

40163926539868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40163926539868² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40163926539797 and 40163926539806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4867693 + ... + 10199131.

It is an arithmetic number, because the mean of its divisors is an integer number (2964035393760).

Almost surely, 2^{40163926539868} is an apocalyptic number.

It is an amenable number.

40163926539868 is a deficient number, since it is larger than the sum of its proper divisors (30972922910372).

40163926539868 is a wasteful number, since it uses less digits than its factorization.

40163926539868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354217 (or 5354215 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 70.

The spelling of 40163926539868 in words is "forty trillion, one hundred sixty-three billion, nine hundred twenty-six million, five hundred thirty-nine thousand, eight hundred sixty-eight".