40806885 has 32 divisors (see below), whose sum is σ = 79011072. Its totient is φ = 17556480.

The previous prime is 40806877. The next prime is 40806917. The reversal of 40806885 is 58860804.

It is not a de Polignac number, because 40806885 - 2³ = 40806877 is a prime.

It is a super-3 number, since 3×40806885³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9646 + ... + 13215.

It is an arithmetic number, because the mean of its divisors is an integer number (2469096).

Almost surely, 2^40806885 is an apocalyptic number.

It is an amenable number.

40806885 is a deficient number, since it is larger than the sum of its proper divisors (38204187).

40806885 is a wasteful number, since it uses less digits than its factorization.

40806885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22893.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 40806885 is about 6388.0266906142. The cubic root of 40806885 is about 344.2794876881.

The spelling of 40806885 in words is "forty million, eight hundred six thousand, eight hundred eighty-five".