305300005000 has 80 divisors (see below), whose sum is σ = 718288870860. Its totient is φ = 121612800000.

The previous prime is 305300004941. The next prime is 305300005013. The reversal of 305300005000 is 500003503.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 26974120644 + 278325884356 = 164238^2 + 527566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1078320 + ... + 1331680.

Almost surely, 2^305300005000 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 305300005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359144435430).

305300005000 is an abundant number, since it is smaller than the sum of its proper divisors (412988865860).

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

305300005000 is a wasteful number, since it uses less digits than its factorization.

305300005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253628 (or 253609 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 16.

Adding to 305300005000 its reverse (500003503), we get a palindrome (305800008503).

The spelling of 305300005000 in words is "three hundred five billion, three hundred million, five thousand".