518819244 has 48 divisors (see below), whose sum is σ = 1287484800. Its totient is φ = 162141696.

The previous prime is 518819237. The next prime is 518819269. The reversal of 518819244 is 442918815.

It is a junction number, because it is equal to n+sod(n) for n = 518819196 and 518819205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10387 + ... + 33845.

It is an arithmetic number, because the mean of its divisors is an integer number (26822600).

Almost surely, 2^518819244 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 518819244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643742400).

518819244 is an abundant number, since it is smaller than the sum of its proper divisors (768665556).

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

518819244 is a wasteful number, since it uses less digits than its factorization.

518819244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23582 (or 23580 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 518819244 is about 22777.6040004211. The cubic root of 518819244 is about 803.5360371077.

The spelling of 518819244 in words is "five hundred eighteen million, eight hundred nineteen thousand, two hundred forty-four".