40020183 has 16 divisors (see below), whose sum is σ = 67759360. Its totient is φ = 22868568.

The previous prime is 40020181. The next prime is 40020187. The reversal of 40020183 is 38102004.

It is a happy number.

40020183 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 40020183 - 2¹ = 40020181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020181) 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 15 ways as a sum of consecutive naturals, for example, 105685 + ... + 106062.

It is an arithmetic number, because the mean of its divisors is an integer number (4234960).

Almost surely, 2^40020183 is an apocalyptic number.

40020183 is a deficient number, since it is larger than the sum of its proper divisors (27739177).

40020183 is a wasteful number, since it uses less digits than its factorization.

40020183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211763 (or 211757 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40020183 is about 6326.1507253621. The cubic root of 40020183 is about 342.0527004044.

Adding to 40020183 its reverse (38102004), we get a palindrome (78122187).

The spelling of 40020183 in words is "forty million, twenty thousand, one hundred eighty-three".