41440042213 has 4 divisors (see below), whose sum is σ = 41572438828. Its totient is φ = 41307645600.

The previous prime is 41440042201. The next prime is 41440042219. The reversal of 41440042213 is 31224004414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5181408324 + 36258633889 = 71982^2 + 190417^2 .

It is a cyclic number.

It is not a de Polignac number, because 41440042213 - 2⁹ = 41440041701 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 (41440042219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66197838 + ... + 66198463.

It is an arithmetic number, because the mean of its divisors is an integer number (10393109707).

Almost surely, 2^41440042213 is an apocalyptic number.

It is an amenable number.

41440042213 is a deficient number, since it is larger than the sum of its proper divisors (132396615).

41440042213 is a wasteful number, since it uses less digits than its factorization.

41440042213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132396614.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 41440042213 its reverse (31224004414), we get a palindrome (72664046627).

The spelling of 41440042213 in words is "forty-one billion, four hundred forty million, forty-two thousand, two hundred thirteen".