4240556473 has 2 divisors, whose sum is σ = 4240556474. Its totient is φ = 4240556472.

The previous prime is 4240556431. The next prime is 4240556491. The reversal of 4240556473 is 3746550424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4236447744 + 4108729 = 65088^2 + 2027^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240556473 - 2⁹ = 4240555961 is a prime.

It is not a weakly prime, because it can be changed into another prime (4240556423) 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, 2120278236 + 2120278237.

It is an arithmetic number, because the mean of its divisors is an integer number (2120278237).

Almost surely, 2^4240556473 is an apocalyptic number.

It is an amenable number.

4240556473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240556473 is an equidigital number, since it uses as much as digits as its factorization.

4240556473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 40.

The square root of 4240556473 is about 65119.5552272894. Note that the first 3 decimals coincide. The cubic root of 4240556473 is about 1618.6052712632.

The spelling of 4240556473 in words is "four billion, two hundred forty million, five hundred fifty-six thousand, four hundred seventy-three".