306242321413240 has 32 divisors (see below), whose sum is σ = 691928257608000. Its totient is φ = 121984389111424.

The previous prime is 306242321413207. The next prime is 306242321413319. The reversal of 306242321413240 is 42314123242603.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 306242321413240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16016848255 + ... + 16016867374.

It is an arithmetic number, because the mean of its divisors is an integer number (21622758050250).

Almost surely, 2^{306242321413240} is an apocalyptic number.

It is an amenable number.

306242321413240 is an abundant number, since it is smaller than the sum of its proper divisors (385685936194760).

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

306242321413240 is a wasteful number, since it uses less digits than its factorization.

306242321413240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32033715879 (or 32033715875 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 306242321413240 its reverse (42314123242603), we get a palindrome (348556444655843).

The spelling of 306242321413240 in words is "three hundred six trillion, two hundred forty-two billion, three hundred twenty-one million, four hundred thirteen thousand, two hundred forty".