40517666668 has 12 divisors (see below), whose sum is σ = 74637807160. Its totient is φ = 19192578912.

The previous prime is 40517666653. The next prime is 40517666671. The reversal of 40517666668 is 86666671504.

40517666668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266563521 + ... + 266563672.

Almost surely, 2^40517666668 is an apocalyptic number.

It is an amenable number.

40517666668 is a deficient number, since it is larger than the sum of its proper divisors (34120140492).

40517666668 is a wasteful number, since it uses less digits than its factorization.

40517666668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533127216 (or 533127214 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 40517666668 in words is "forty billion, five hundred seventeen million, six hundred sixty-six thousand, six hundred sixty-eight".