516810030 has 96 divisors (see below), whose sum is σ = 1437644160. Its totient is φ = 117895680.

The previous prime is 516809999. The next prime is 516810037. The reversal of 516810030 is 30018615.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516810037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92661 + ... + 98079.

It is an arithmetic number, because the mean of its divisors is an integer number (14975460).

Almost surely, 2^516810030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516810030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718822080).

516810030 is an abundant number, since it is smaller than the sum of its proper divisors (920834130).

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

516810030 is a wasteful number, since it uses less digits than its factorization.

516810030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474 (or 5457 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 516810030 is about 22733.4561824638. The cubic root of 516810030 is about 802.4974194655.

Adding to 516810030 its reverse (30018615), we get a palindrome (546828645).

The spelling of 516810030 in words is "five hundred sixteen million, eight hundred ten thousand, thirty".