40806573089 has 2 divisors, whose sum is σ = 40806573090. Its totient is φ = 40806573088.

The previous prime is 40806573047. The next prime is 40806573103. The reversal of 40806573089 is 98037560804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34077160000 + 6729413089 = 184600^2 + 82033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40806573089 is a prime.

It is not a weakly prime, because it can be changed into another prime (40806573589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20403286544 + 20403286545.

It is an arithmetic number, because the mean of its divisors is an integer number (20403286545).

Almost surely, 2^40806573089 is an apocalyptic number.

It is an amenable number.

40806573089 is a deficient number, since it is larger than the sum of its proper divisors (1).

40806573089 is an equidigital number, since it uses as much as digits as its factorization.

40806573089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 40806573089 in words is "forty billion, eight hundred six million, five hundred seventy-three thousand, eighty-nine".