4842638568 has 64 divisors (see below), whose sum is σ = 13492612800. Its totient is φ = 1609312320.

The previous prime is 4842638539. The next prime is 4842638587. The reversal of 4842638568 is 8658362484.

4842638568 is a `hidden beast` number, since 4 + 8 + 42 + 6 + 38 + 568 = 666.

It is a super-2 number, since 2×4842638568² = 46902296600562181248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 37630 + ... + 105362.

It is an arithmetic number, because the mean of its divisors is an integer number (210822075).

Almost surely, 2^4842638568 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 4842638568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6746306400).

4842638568 is an abundant number, since it is smaller than the sum of its proper divisors (8649974232).

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

4842638568 is a wasteful number, since it uses less digits than its factorization.

4842638568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68079 (or 68069 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The square root of 4842638568 is about 69589.0693140812. The cubic root of 4842638568 is about 1691.8454413420.

The spelling of 4842638568 in words is "four billion, eight hundred forty-two million, six hundred thirty-eight thousand, five hundred sixty-eight".