305340066 has 12 divisors (see below), whose sum is σ = 661570182. Its totient is φ = 101780016.

The previous prime is 305340053. The next prime is 305340071. The reversal of 305340066 is 660043503.

It can be written as a sum of positive squares in only one way, i.e., 212314041 + 93026025 = 14571^2 + 9645^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 8481651 + ... + 8481686.

Almost surely, 2^305340066 is an apocalyptic number.

305340066 is an abundant number, since it is smaller than the sum of its proper divisors (356230116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305340066 is a wasteful number, since it uses less digits than its factorization.

305340066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963345 (or 16963342 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 305340066 is about 17473.9825454874. The cubic root of 305340066 is about 673.3816307436.

Adding to 305340066 its reverse (660043503), we get a palindrome (965383569).

The spelling of 305340066 in words is "three hundred five million, three hundred forty thousand, sixty-six".