306492641028 has 432 divisors, whose sum is σ = 979043345280. Its totient is φ = 78912092160.

The previous prime is 306492640963. The next prime is 306492641033. The reversal of 306492641028 is 820146294603.

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 143 ways as a sum of consecutive naturals, for example, 448744375 + ... + 448745057.

It is an arithmetic number, because the mean of its divisors is an integer number (2266304040).

Almost surely, 2^306492641028 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 306492641028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489521672640).

306492641028 is an abundant number, since it is smaller than the sum of its proper divisors (672550704252).

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

306492641028 is a wasteful number, since it uses less digits than its factorization.

306492641028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 306492641028 in words is "three hundred six billion, four hundred ninety-two million, six hundred forty-one thousand, twenty-eight".