42422040040001 has 2 divisors, whose sum is σ = 42422040040002. Its totient is φ = 42422040040000.

The previous prime is 42422040039947. The next prime is 42422040040021. The reversal of 42422040040001 is 10004004022424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27837653299600 + 14584386740401 = 5276140^2 + 3818951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42422040040001 is a prime.

It is not a weakly prime, because it can be changed into another prime (42422040040021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21211020020000 + 21211020020001.

It is an arithmetic number, because the mean of its divisors is an integer number (21211020020001).

Almost surely, 2^{42422040040001} is an apocalyptic number.

It is an amenable number.

42422040040001 is a deficient number, since it is larger than the sum of its proper divisors (1).

42422040040001 is an equidigital number, since it uses as much as digits as its factorization.

42422040040001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 42422040040001 its reverse (10004004022424), we get a palindrome (52426044062425).

The spelling of 42422040040001 in words is "forty-two trillion, four hundred twenty-two billion, forty million, forty thousand, one".