40585869 has 24 divisors (see below), whose sum is σ = 61888320. Its totient is φ = 25578432.

The previous prime is 40585847. The next prime is 40585901. The reversal of 40585869 is 96858504.

40585869 is a `hidden beast` number, since 4 + 0 + 585 + 8 + 69 = 666.

40585869 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 40585869 - 2⁵ = 40585837 is a prime.

It is a super-2 number, since 2×40585869² = 3294425524970322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40585829) 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 23 ways as a sum of consecutive naturals, for example, 17322 + ... + 19524.

It is an arithmetic number, because the mean of its divisors is an integer number (2578680).

Almost surely, 2^40585869 is an apocalyptic number.

It is an amenable number.

40585869 is a deficient number, since it is larger than the sum of its proper divisors (21302451).

40585869 is a wasteful number, since it uses less digits than its factorization.

40585869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 40585869 is about 6370.7039642413. The cubic root of 40585869 is about 343.6568062959.

The spelling of 40585869 in words is "forty million, five hundred eighty-five thousand, eight hundred sixty-nine".