4020424340041 has 2 divisors, whose sum is σ = 4020424340042. Its totient is φ = 4020424340040.

The previous prime is 4020424340039. The next prime is 4020424340099. The reversal of 4020424340041 is 1400434240204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3832311301641 + 188113038400 = 1957629^2 + 433720^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020424340041 - 2¹ = 4020424340039 is a prime.

It is a super-2 number, since 2×4020424340041² (a number of 26 digits) contains 22 as substring.

Together with 4020424340039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4020424339991 and 4020424340009.

It is not a weakly prime, because it can be changed into another prime (4020424340741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010212170020 + 2010212170021.

It is an arithmetic number, because the mean of its divisors is an integer number (2010212170021).

Almost surely, 2^{4020424340041} is an apocalyptic number.

It is an amenable number.

4020424340041 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020424340041 is an equidigital number, since it uses as much as digits as its factorization.

4020424340041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 4020424340041 its reverse (1400434240204), we get a palindrome (5420858580245).

The spelling of 4020424340041 in words is "four trillion, twenty billion, four hundred twenty-four million, three hundred forty thousand, forty-one".