305068512064 has 168 divisors, whose sum is σ = 665309173824. Its totient is φ = 138305433600.

The previous prime is 305068512061. The next prime is 305068512109. The reversal of 305068512064 is 460215860503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305068512061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295895229 + ... + 295896259.

Almost surely, 2^305068512064 is an apocalyptic number.

305068512064 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305068512064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332654586912).

305068512064 is an abundant number, since it is smaller than the sum of its proper divisors (360240661760).

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

305068512064 is a wasteful number, since it uses less digits than its factorization.

305068512064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 305068512064 in words is "three hundred five billion, sixty-eight million, five hundred twelve thousand, sixty-four".