5318381208 has 96 divisors (see below), whose sum is σ = 15697800000. Its totient is φ = 1496835648.

The previous prime is 5318381191. The next prime is 5318381213. The reversal of 5318381208 is 8021838135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45043 + ... + 112541.

It is an arithmetic number, because the mean of its divisors is an integer number (163518750).

Almost surely, 2^5318381208 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 5318381208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7848900000).

5318381208 is an abundant number, since it is smaller than the sum of its proper divisors (10379418792).

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

5318381208 is a wasteful number, since it uses less digits than its factorization.

5318381208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67589 (or 67578 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 5318381208 is about 72927.2322798555. The cubic root of 5318381208 is about 1745.5266657128.

The spelling of 5318381208 in words is "five billion, three hundred eighteen million, three hundred eighty-one thousand, two hundred eight".