40404442422101 has 2 divisors, whose sum is σ = 40404442422102. Its totient is φ = 40404442422100.

The previous prime is 40404442422079. The next prime is 40404442422131. The reversal of 40404442422101 is 10122424440404.

40404442422101 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., 21640592283025 + 18763850139076 = 4651945^2 + 4331726^2 .

It is a cyclic number.

It is not a de Polignac number, because 40404442422101 - 2³⁰ = 40403368680277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40404442422131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202221211050 + 20202221211051.

It is an arithmetic number, because the mean of its divisors is an integer number (20202221211051).

Almost surely, 2^{40404442422101} is an apocalyptic number.

It is an amenable number.

40404442422101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404442422101 is an equidigital number, since it uses as much as digits as its factorization.

40404442422101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 40404442422101 its reverse (10122424440404), we get a palindrome (50526866862505).

The spelling of 40404442422101 in words is "forty trillion, four hundred four billion, four hundred forty-two million, four hundred twenty-two thousand, one hundred one".