40042433141 has 2 divisors, whose sum is σ = 40042433142. Its totient is φ = 40042433140.

The previous prime is 40042433083. The next prime is 40042433159. The reversal of 40042433141 is 14133424004.

40042433141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36450828241 + 3591604900 = 190921^2 + 59930^2 .

It is a cyclic number.

It is not a de Polignac number, because 40042433141 - 2¹⁰ = 40042432117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40042433141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40042433341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20021216570 + 20021216571.

It is an arithmetic number, because the mean of its divisors is an integer number (20021216571).

Almost surely, 2^40042433141 is an apocalyptic number.

It is an amenable number.

40042433141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40042433141 is an equidigital number, since it uses as much as digits as its factorization.

40042433141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40042433141 its reverse (14133424004), we get a palindrome (54175857145).

The spelling of 40042433141 in words is "forty billion, forty-two million, four hundred thirty-three thousand, one hundred forty-one".