518940144 has 60 divisors (see below), whose sum is σ = 1455797200. Its totient is φ = 172564992.

The previous prime is 518940127. The next prime is 518940193. The reversal of 518940144 is 441049815.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 518940099 and 518940108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59112 + ... + 67320.

Almost surely, 2^518940144 is an apocalyptic number.

It is an amenable number.

518940144 is an abundant number, since it is smaller than the sum of its proper divisors (936857056).

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

518940144 is a wasteful number, since it uses less digits than its factorization.

518940144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8662 (or 8653 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 518940144 is about 22780.2577685153. The cubic root of 518940144 is about 803.5984480295.

Adding to 518940144 its reverse (441049815), we get a palindrome (959989959).

The spelling of 518940144 in words is "five hundred eighteen million, nine hundred forty thousand, one hundred forty-four".