304040040089 has 2 divisors, whose sum is σ = 304040040090. Its totient is φ = 304040040088.

The previous prime is 304040040041. The next prime is 304040040119. The reversal of 304040040089 is 980040040403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287574787600 + 16465252489 = 536260^2 + 128317^2 .

It is a cyclic number.

It is not a de Polignac number, because 304040040089 - 2²⁰ = 304038991513 is a prime.

It is not a weakly prime, because it can be changed into another prime (304040040289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152020020044 + 152020020045.

It is an arithmetic number, because the mean of its divisors is an integer number (152020020045).

Almost surely, 2^304040040089 is an apocalyptic number.

It is an amenable number.

304040040089 is a deficient number, since it is larger than the sum of its proper divisors (1).

304040040089 is an equidigital number, since it uses as much as digits as its factorization.

304040040089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 304040040089 in words is "three hundred four billion, forty million, forty thousand, eighty-nine".