40668467 has 8 divisors (see below), whose sum is σ = 46517856. Its totient is φ = 34828992.

The previous prime is 40668457. The next prime is 40668473. The reversal of 40668467 is 76486604.

40668467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40668467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40668427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11873 + ... + 14909.

It is an arithmetic number, because the mean of its divisors is an integer number (5814732).

Almost surely, 2^40668467 is an apocalyptic number.

40668467 is a deficient number, since it is larger than the sum of its proper divisors (5849389).

40668467 is a wasteful number, since it uses less digits than its factorization.

40668467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 40668467 is about 6377.1833124037. The cubic root of 40668467 is about 343.8897784382.

The spelling of 40668467 in words is "forty million, six hundred sixty-eight thousand, four hundred sixty-seven".