518898632 has 64 divisors (see below), whose sum is σ = 1144320000. Its totient is φ = 220485888.

The previous prime is 518898631. The next prime is 518898661. The reversal of 518898632 is 236898815.

It is not an unprimeable number, because it can be changed into a prime (518898631) by changing a digit.

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, 347744 + ... + 349232.

It is an arithmetic number, because the mean of its divisors is an integer number (17880000).

Almost surely, 2^518898632 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 518898632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572160000).

518898632 is an abundant number, since it is smaller than the sum of its proper divisors (625421368).

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

518898632 is a wasteful number, since it uses less digits than its factorization.

518898632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1625 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 518898632 is about 22779.3466104715. The cubic root of 518898632 is about 803.5770198239.

The spelling of 518898632 in words is "five hundred eighteen million, eight hundred ninety-eight thousand, six hundred thirty-two".