40166302500556 has 24 divisors (see below), whose sum is σ = 70439439983360. Its totient is φ = 20040752994192.

The previous prime is 40166302500523. The next prime is 40166302500557. The reversal of 40166302500556 is 65500520366104.

It is a super-2 number, since 2×40166302500556² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166302500557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33578161 + ... + 34753783.

Almost surely, 2^{40166302500556} is an apocalyptic number.

It is an amenable number.

40166302500556 is a deficient number, since it is larger than the sum of its proper divisors (30273137482804).

40166302500556 is a wasteful number, since it uses less digits than its factorization.

40166302500556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193653 (or 1193651 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 40166302500556 in words is "forty trillion, one hundred sixty-six billion, three hundred two million, five hundred thousand, five hundred fifty-six".