518053340 has 48 divisors (see below), whose sum is σ = 1254984192. Its totient is φ = 175953216.

The previous prime is 518053339. The next prime is 518053363. The reversal of 518053340 is 43350815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2312 + ... + 32271.

It is an arithmetic number, because the mean of its divisors is an integer number (26145504).

Almost surely, 2^518053340 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 518053340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627492096).

518053340 is an abundant number, since it is smaller than the sum of its proper divisors (736930852).

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

518053340 is a wasteful number, since it uses less digits than its factorization.

518053340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34706 (or 34704 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 518053340 is about 22760.7851358427. The cubic root of 518053340 is about 803.1404371866.

The spelling of 518053340 in words is "five hundred eighteen million, fifty-three thousand, three hundred forty".