306303143620 has 24 divisors (see below), whose sum is σ = 643794530904. Its totient is φ = 122414985216.

The previous prime is 306303143611. The next prime is 306303143651. The reversal of 306303143620 is 26341303603.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 125451972864 + 180851170756 = 354192^2 + 425266^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6618379 + ... + 6664498.

It is an arithmetic number, because the mean of its divisors is an integer number (26824772121).

Almost surely, 2^306303143620 is an apocalyptic number.

It is an amenable number.

306303143620 is an abundant number, since it is smaller than the sum of its proper divisors (337491387284).

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

306303143620 is a wasteful number, since it uses less digits than its factorization.

306303143620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13284039 (or 13284037 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

The spelling of 306303143620 in words is "three hundred six billion, three hundred three million, one hundred forty-three thousand, six hundred twenty".