530309866860 has 192 divisors, whose sum is σ = 1667472791040. Its totient is φ = 139909213440.

The previous prime is 530309866819. The next prime is 530309866873. The reversal of 530309866860 is 68668903035.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 530309866797 and 530309866806.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46853922 + ... + 46865238.

It is an arithmetic number, because the mean of its divisors is an integer number (8684754120).

Almost surely, 2^530309866860 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 530309866860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833736395520).

530309866860 is an abundant number, since it is smaller than the sum of its proper divisors (1137162924180).

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

530309866860 is a wasteful number, since it uses less digits than its factorization.

530309866860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253 (or 12245 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 530309866860 in words is "five hundred thirty billion, three hundred nine million, eight hundred sixty-six thousand, eight hundred sixty".