40106668 has 24 divisors (see below), whose sum is σ = 82383392. Its totient is φ = 16723584.

The previous prime is 40106629. The next prime is 40106683. The reversal of 40106668 is 86660104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18321 + ... + 20392.

Almost surely, 2^40106668 is an apocalyptic number.

It is an amenable number.

40106668 is an abundant number, since it is smaller than the sum of its proper divisors (42276724).

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

40106668 is a wasteful number, since it uses less digits than its factorization.

40106668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38761 (or 38759 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40106668 is about 6332.9825516892. The cubic root of 40106668 is about 342.2989190336.

The spelling of 40106668 in words is "forty million, one hundred six thousand, six hundred sixty-eight".