80305030500 has 96 divisors (see below), whose sum is σ = 235633926528. Its totient is φ = 21251152000.

The previous prime is 80305030493. The next prime is 80305030523. The reversal of 80305030500 is 503050308.

It is a super-3 number, since 3×80305030500³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7839 + ... + 400838.

It is an arithmetic number, because the mean of its divisors is an integer number (2454520068).

Almost surely, 2^80305030500 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 80305030500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117816963264).

80305030500 is an abundant number, since it is smaller than the sum of its proper divisors (155328896028).

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

80305030500 is a wasteful number, since it uses less digits than its factorization.

80305030500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408830 (or 408818 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 80305030500 its reverse (503050308), we get a palindrome (80808080808).

The spelling of 80305030500 in words is "eighty billion, three hundred five million, thirty thousand, five hundred".