40685875 has 8 divisors (see below), whose sum is σ = 50776128. Its totient is φ = 32548600.

The previous prime is 40685867. The next prime is 40685881. The reversal of 40685875 is 57858604.

40685875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40685875 - 2³ = 40685867 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 162619 + ... + 162868.

It is an arithmetic number, because the mean of its divisors is an integer number (6347016).

Almost surely, 2^40685875 is an apocalyptic number.

40685875 is a deficient number, since it is larger than the sum of its proper divisors (10090253).

40685875 is an equidigital number, since it uses as much as digits as its factorization.

40685875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325502 (or 325492 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 40685875 is about 6378.5480322719. The cubic root of 40685875 is about 343.9388383918.

The spelling of 40685875 in words is "forty million, six hundred eighty-five thousand, eight hundred seventy-five".