518480 has 20 divisors (see below), whose sum is σ = 1205652. Its totient is φ = 207360.

The previous prime is 518473. The next prime is 518509. The reversal of 518480 is 84815.

It can be written as a sum of positive squares in 2 ways, for example, as 364816 + 153664 = 604^2 + 392^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

518480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161 + ... + 3320.

2⁵¹⁸⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

518480 is an abundant number, since it is smaller than the sum of its proper divisors (687172).

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

518480 is a wasteful number, since it uses less digits than its factorization.

518480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494 (or 6488 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 518480 is about 720.0555534124. The cubic root of 518480 is about 80.3360860995.

The spelling of 518480 in words is "five hundred eighteen thousand, four hundred eighty".