516544830 has 128 divisors (see below), whose sum is σ = 1535500800. Its totient is φ = 122798592.

The previous prime is 516544817. The next prime is 516544913. The reversal of 516544830 is 38445615.

It is a happy number.

It is a super-2 number, since 2×516544830² = 533637122799457800, which contains 22 as substring.

It is a congruent number.

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, 84249 + ... + 90171.

It is an arithmetic number, because the mean of its divisors is an integer number (11996100).

Almost surely, 2^516544830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516544830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767750400).

516544830 is an abundant number, since it is smaller than the sum of its proper divisors (1018955970).

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

516544830 is a wasteful number, since it uses less digits than its factorization.

516544830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975 (or 5969 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 516544830 is about 22727.6226209430. The cubic root of 516544830 is about 802.3601293481.

The spelling of 516544830 in words is "five hundred sixteen million, five hundred forty-four thousand, eight hundred thirty".