40044220211 has 4 divisors (see below), whose sum is σ = 40432999152. Its totient is φ = 39655441272.

The previous prime is 40044220207. The next prime is 40044220253. The reversal of 40044220211 is 11202244004.

40044220211 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.

It is a cyclic number.

It is not a de Polignac number, because 40044220211 - 2² = 40044220207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40044220201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194389316 + ... + 194389521.

It is an arithmetic number, because the mean of its divisors is an integer number (10108249788).

Almost surely, 2^40044220211 is an apocalyptic number.

40044220211 is a deficient number, since it is larger than the sum of its proper divisors (388778941).

40044220211 is a wasteful number, since it uses less digits than its factorization.

40044220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388778940.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 40044220211 its reverse (11202244004), we get a palindrome (51246464215).

The spelling of 40044220211 in words is "forty billion, forty-four million, two hundred twenty thousand, two hundred eleven".