518244132 has 48 divisors (see below), whose sum is σ = 1384355840. Its totient is φ = 147815712.

The previous prime is 518244113. The next prime is 518244169. The reversal of 518244132 is 231442815.

It is a self number, because there is not a number n which added to its sum of digits gives 518244132.

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, 47013 + ... + 56979.

Almost surely, 2^518244132 is an apocalyptic number.

It is an amenable number.

518244132 is an abundant number, since it is smaller than the sum of its proper divisors (866111708).

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

518244132 is a wasteful number, since it uses less digits than its factorization.

518244132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600 (or 10598 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 518244132 is about 22764.9759938376. The cubic root of 518244132 is about 803.2390203189.

Adding to 518244132 its reverse (231442815), we get a palindrome (749686947).

It can be divided in two parts, 518 and 244132, that added together give a triangular number (244650 = T₆₉₉).

The spelling of 518244132 in words is "five hundred eighteen million, two hundred forty-four thousand, one hundred thirty-two".