518425648 has 160 divisors (see below), whose sum is σ = 1196923392. Its totient is φ = 215654400.

The previous prime is 518425643. The next prime is 518425667. The reversal of 518425648 is 846524815.

It is not an unprimeable number, because it can be changed into a prime (518425643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9781590 + ... + 9781642.

Almost surely, 2^518425648 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 518425648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598461696).

518425648 is an abundant number, since it is smaller than the sum of its proper divisors (678497744).

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

518425648 is a wasteful number, since it uses less digits than its factorization.

518425648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its digits is 307200, while the sum is 43.

The square root of 518425648 is about 22768.9623830336. The cubic root of 518425648 is about 803.3327880409.

The spelling of 518425648 in words is "five hundred eighteen million, four hundred twenty-five thousand, six hundred forty-eight".