306009688068 has 36 divisors (see below), whose sum is σ = 884027988480. Its totient is φ = 87431339376.

The previous prime is 306009688067. The next prime is 306009688073. The reversal of 306009688068 is 860886900603.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (306009688067) 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 in 11 ways as a sum of consecutive naturals, for example, 607161828 + ... + 607162331.

Almost surely, 2^306009688068 is an apocalyptic number.

It is an amenable number.

306009688068 is an abundant number, since it is smaller than the sum of its proper divisors (578018300412).

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

306009688068 is a wasteful number, since it uses less digits than its factorization.

306009688068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214324176 (or 1214324171 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 306009688068 in words is "three hundred six billion, nine million, six hundred eighty-eight thousand, sixty-eight".