40668870 has 32 divisors (see below), whose sum is σ = 106479360. Its totient is φ = 9859040.

The previous prime is 40668857. The next prime is 40668889. The reversal of 40668870 is 7886604.

40668870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 61290 + ... + 61949.

It is an arithmetic number, because the mean of its divisors is an integer number (3327480).

Almost surely, 2^40668870 is an apocalyptic number.

40668870 is an abundant number, since it is smaller than the sum of its proper divisors (65810490).

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

40668870 is a wasteful number, since it uses less digits than its factorization.

40668870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123260.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 40668870 is about 6377.2149093472. The cubic root of 40668870 is about 343.8909143479.

The spelling of 40668870 in words is "forty million, six hundred sixty-eight thousand, eight hundred seventy".