40020211 has 16 divisors (see below), whose sum is σ = 50918400. Its totient is φ = 31181640.

The previous prime is 40020191. The next prime is 40020221. The reversal of 40020211 is 11202004.

40020211 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 40020211 - 2⁷ = 40020083 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (40020221) 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, 1531 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (3182400).

Almost surely, 2^40020211 is an apocalyptic number.

40020211 is a deficient number, since it is larger than the sum of its proper divisors (10898189).

40020211 is a wasteful number, since it uses less digits than its factorization.

40020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10639 (or 10625 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40020211 is about 6326.1529383979. The cubic root of 40020211 is about 342.0527801765.

Adding to 40020211 its reverse (11202004), we get a palindrome (51222215).

The spelling of 40020211 in words is "forty million, twenty thousand, two hundred eleven".