40108168652816 has 80 divisors (see below), whose sum is σ = 84957793781760. Its totient is φ = 18191496044160.

The previous prime is 40108168652809. The next prime is 40108168652857. The reversal of 40108168652816 is 61825686180104.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 375410381 + ... + 375517203.

It is an arithmetic number, because the mean of its divisors is an integer number (1061972422272).

Almost surely, 2^{40108168652816} is an apocalyptic number.

It is an amenable number.

40108168652816 is an abundant number, since it is smaller than the sum of its proper divisors (44849625128944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40108168652816 is a wasteful number, since it uses less digits than its factorization.

40108168652816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111444 (or 111438 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 40108168652816 in words is "forty trillion, one hundred eight billion, one hundred sixty-eight million, six hundred fifty-two thousand, eight hundred sixteen".