40840211 has 4 divisors (see below), whose sum is σ = 40853400. Its totient is φ = 40827024.

The previous prime is 40840183. The next prime is 40840271. The reversal of 40840211 is 11204804.

40840211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40840211 - 2¹⁰ = 40839187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40840271) 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 3 ways as a sum of consecutive naturals, for example, 860 + ... + 9078.

It is an arithmetic number, because the mean of its divisors is an integer number (10213350).

Almost surely, 2^40840211 is an apocalyptic number.

40840211 is a deficient number, since it is larger than the sum of its proper divisors (13189).

40840211 is an equidigital number, since it uses as much as digits as its factorization.

40840211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 40840211 is about 6390.6346320221. The cubic root of 40840211 is about 344.3731837744.

The spelling of 40840211 in words is "forty million, eight hundred forty thousand, two hundred eleven".