306340212500 has 288 divisors, whose sum is σ = 830790825984. Its totient is φ = 96422400000.

The previous prime is 306340212499. The next prime is 306340212533. The reversal of 306340212500 is 5212043603.

It is a self number, because there is not a number n which added to its sum of digits gives 306340212500.

It is a congruent number.

It is an unprimeable number.

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 in 95 ways as a sum of consecutive naturals, for example, 60984989 + ... + 60990011.

It is an arithmetic number, because the mean of its divisors is an integer number (2884690368).

Almost surely, 2^306340212500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306340212500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415395412992).

306340212500 is an abundant number, since it is smaller than the sum of its proper divisors (524450613484).

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

306340212500 is a wasteful number, since it uses less digits than its factorization.

306340212500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117 (or 5095 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 306340212500 in words is "three hundred six billion, three hundred forty million, two hundred twelve thousand, five hundred".