40442212241 has 2 divisors, whose sum is σ = 40442212242. Its totient is φ = 40442212240.

The previous prime is 40442212229. The next prime is 40442212273. The reversal of 40442212241 is 14221224404.

It is a happy number.

40442212241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38722368400 + 1719843841 = 196780^2 + 41471^2 .

It is a cyclic number.

It is not a de Polignac number, because 40442212241 - 2³⁰ = 39368470417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40442212241.

It is not a weakly prime, because it can be changed into another prime (40442212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221106120 + 20221106121.

It is an arithmetic number, because the mean of its divisors is an integer number (20221106121).

Almost surely, 2^40442212241 is an apocalyptic number.

It is an amenable number.

40442212241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40442212241 is an equidigital number, since it uses as much as digits as its factorization.

40442212241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 40442212241 its reverse (14221224404), we get a palindrome (54663436645).

The spelling of 40442212241 in words is "forty billion, four hundred forty-two million, two hundred twelve thousand, two hundred forty-one".