102442440041 has 2 divisors, whose sum is σ = 102442440042. Its totient is φ = 102442440040.

The previous prime is 102442439989. The next prime is 102442440073. The reversal of 102442440041 is 140044244201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94663905625 + 7778534416 = 307675^2 + 88196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102442440041 is a prime.

It is not a weakly prime, because it can be changed into another prime (102442440341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51221220020 + 51221220021.

It is an arithmetic number, because the mean of its divisors is an integer number (51221220021).

Almost surely, 2^102442440041 is an apocalyptic number.

It is an amenable number.

102442440041 is a deficient number, since it is larger than the sum of its proper divisors (1).

102442440041 is an equidigital number, since it uses as much as digits as its factorization.

102442440041 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 102442440041 its reverse (140044244201), we get a palindrome (242486684242).

The spelling of 102442440041 in words is "one hundred two billion, four hundred forty-two million, four hundred forty thousand, forty-one".