518248332 has 144 divisors (see below), whose sum is σ = 1668925440. Its totient is φ = 132005376.

The previous prime is 518248331. The next prime is 518248333. The reversal of 518248332 is 233842815.

It is an interprime number because it is at equal distance from previous prime (518248331) and next prime (518248333).

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

It is not an unprimeable number, because it can be changed into a prime (518248331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78213 + ... + 84579.

It is an arithmetic number, because the mean of its divisors is an integer number (11589760).

Almost surely, 2^518248332 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 518248332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834462720).

518248332 is an abundant number, since it is smaller than the sum of its proper divisors (1150677108).

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

518248332 is a wasteful number, since it uses less digits than its factorization.

518248332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420 (or 6415 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 518248332 is about 22765.0682406181. The cubic root of 518248332 is about 803.2411902067.

The spelling of 518248332 in words is "five hundred eighteen million, two hundred forty-eight thousand, three hundred thirty-two".