42342440401441 has 2 divisors, whose sum is σ = 42342440401442. Its totient is φ = 42342440401440.

The previous prime is 42342440401399. The next prime is 42342440401453. The reversal of 42342440401441 is 14410404424324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37096870118400 + 5245570283041 = 6090720^2 + 2290321^2 .

It is a cyclic number.

It is not a de Polignac number, because 42342440401441 - 2²¹ = 42342438304289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42342440401441.

It is not a weakly prime, because it can be changed into another prime (42342440461441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171220200720 + 21171220200721.

It is an arithmetic number, because the mean of its divisors is an integer number (21171220200721).

Almost surely, 2^{42342440401441} is an apocalyptic number.

It is an amenable number.

42342440401441 is a deficient number, since it is larger than the sum of its proper divisors (1).

42342440401441 is an equidigital number, since it uses as much as digits as its factorization.

42342440401441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 42342440401441 its reverse (14410404424324), we get a palindrome (56752844825765).

The spelling of 42342440401441 in words is "forty-two trillion, three hundred forty-two billion, four hundred forty million, four hundred one thousand, four hundred forty-one".