5268721608 has 96 divisors (see below), whose sum is σ = 14411779200. Its totient is φ = 1738800000.

The previous prime is 5268721561. The next prime is 5268721613. The reversal of 5268721608 is 8061278625.

It is a super-2 number, since 2×5268721608² = 55518854765212211328, which contains 22 as substring.

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, 7015233 + ... + 7015983.

It is an arithmetic number, because the mean of its divisors is an integer number (150122700).

Almost surely, 2^5268721608 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 5268721608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7205889600).

5268721608 is an abundant number, since it is smaller than the sum of its proper divisors (9143057592).

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

5268721608 is a wasteful number, since it uses less digits than its factorization.

5268721608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 5268721608 is about 72585.9601300417. The cubic root of 5268721608 is about 1740.0768020004.

The spelling of 5268721608 in words is "five billion, two hundred sixty-eight million, seven hundred twenty-one thousand, six hundred eight".