518514040 has 96 divisors (see below), whose sum is σ = 1292760000. Its totient is φ = 187024640.

The previous prime is 518514037. The next prime is 518514053. The reversal of 518514040 is 40415815.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720801 + ... + 721519.

It is an arithmetic number, because the mean of its divisors is an integer number (13466250).

Almost surely, 2^518514040 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 518514040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646380000).

518514040 is an abundant number, since it is smaller than the sum of its proper divisors (774245960).

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

518514040 is a wasteful number, since it uses less digits than its factorization.

518514040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 518514040 is about 22770.9033637227. The cubic root of 518514040 is about 803.3784417470.

Adding to 518514040 its reverse (40415815), we get a palindrome (558929855).

The spelling of 518514040 in words is "five hundred eighteen million, five hundred fourteen thousand, forty".