7040406041 has 2 divisors, whose sum is σ = 7040406042. Its totient is φ = 7040406040.

The previous prime is 7040406019. The next prime is 7040406059. The reversal of 7040406041 is 1406040407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3618624025 + 3421782016 = 60155^2 + 58496^2 .

It is an emirp because it is prime and its reverse (1406040407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7040406041 - 2¹⁰ = 7040405017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7040406041.

It is not a weakly prime, because it can be changed into another prime (7040406941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3520203020 + 3520203021.

It is an arithmetic number, because the mean of its divisors is an integer number (3520203021).

Almost surely, 2^7040406041 is an apocalyptic number.

It is an amenable number.

7040406041 is a deficient number, since it is larger than the sum of its proper divisors (1).

7040406041 is an equidigital number, since it uses as much as digits as its factorization.

7040406041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 7040406041 is about 83907.1274743689. The cubic root of 7040406041 is about 1916.6047889522.

Adding to 7040406041 its reverse (1406040407), we get a palindrome (8446446448).

The spelling of 7040406041 in words is "seven billion, forty million, four hundred six thousand, forty-one".