42554040041 has 2 divisors, whose sum is σ = 42554040042. Its totient is φ = 42554040040.

The previous prime is 42554040007. The next prime is 42554040043. The reversal of 42554040041 is 14004045524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31842618025 + 10711422016 = 178445^2 + 103496^2 .

It is a cyclic number.

It is not a de Polignac number, because 42554040041 - 2¹⁴ = 42554023657 is a prime.

It is a super-2 number, since 2×42554040041² (a number of 22 digits) contains 22 as substring.

Together with 42554040043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42554039986 and 42554040013.

It is not a weakly prime, because it can be changed into another prime (42554040043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21277020020 + 21277020021.

It is an arithmetic number, because the mean of its divisors is an integer number (21277020021).

Almost surely, 2^42554040041 is an apocalyptic number.

It is an amenable number.

42554040041 is a deficient number, since it is larger than the sum of its proper divisors (1).

42554040041 is an equidigital number, since it uses as much as digits as its factorization.

42554040041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 42554040041 its reverse (14004045524), we get a palindrome (56558085565).

The spelling of 42554040041 in words is "forty-two billion, five hundred fifty-four million, forty thousand, forty-one".