5218342272 has 256 divisors, whose sum is σ = 18095616000. Its totient is φ = 1459537920.

The previous prime is 5218342237. The next prime is 5218342277. The reversal of 5218342272 is 2722438125.

5218342272 is a `hidden beast` number, since 52 + 183 + 422 + 7 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218342277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488929 + ... + 499487.

It is an arithmetic number, because the mean of its divisors is an integer number (70686000).

Almost surely, 2^5218342272 is an apocalyptic number.

5218342272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5218342272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9047808000).

5218342272 is an abundant number, since it is smaller than the sum of its proper divisors (12877273728).

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

5218342272 is a wasteful number, since it uses less digits than its factorization.

5218342272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606 (or 10588 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 5218342272 is about 72238.0943270239. The cubic root of 5218342272 is about 1734.5128450382.

The spelling of 5218342272 in words is "five billion, two hundred eighteen million, three hundred forty-two thousand, two hundred seventy-two".