516728320 has 40 divisors (see below), whose sum is σ = 1238943024. Its totient is φ = 206690304.

The previous prime is 516728309. The next prime is 516728339. The reversal of 516728320 is 23827615.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98364 + ... + 103483.

Almost surely, 2^516728320 is an apocalyptic number.

It is an amenable number.

516728320 is an abundant number, since it is smaller than the sum of its proper divisors (722214704).

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

516728320 is an equidigital number, since it uses as much as digits as its factorization.

516728320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201870 (or 201854 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 516728320 is about 22731.6589803736. The cubic root of 516728320 is about 802.4551244142.

The spelling of 516728320 in words is "five hundred sixteen million, seven hundred twenty-eight thousand, three hundred twenty".