305005064 has 64 divisors (see below), whose sum is σ = 728179200. Its totient is φ = 116492544.

The previous prime is 305005033. The next prime is 305005067. The reversal of 305005064 is 460500503.

It is not an unprimeable number, because it can be changed into a prime (305005067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13889 + ... + 28335.

It is an arithmetic number, because the mean of its divisors is an integer number (11377800).

Almost surely, 2^305005064 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 305005064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364089600).

305005064 is an abundant number, since it is smaller than the sum of its proper divisors (423174136).

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

305005064 is a wasteful number, since it uses less digits than its factorization.

305005064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14502 (or 14498 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 305005064 is about 17464.3941778694. The cubic root of 305005064 is about 673.1352751028.

Adding to 305005064 its reverse (460500503), we get a palindrome (765505567).

The spelling of 305005064 in words is "three hundred five million, five thousand, sixty-four".