4389932568 has 96 divisors (see below), whose sum is σ = 12960794880. Its totient is φ = 1213761600.

The previous prime is 4389932567. The next prime is 4389932621. The reversal of 4389932568 is 8652399834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389932567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147853 + ... + 175043.

It is an arithmetic number, because the mean of its divisors is an integer number (135008280).

Almost surely, 2^4389932568 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 4389932568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6480397440).

4389932568 is an abundant number, since it is smaller than the sum of its proper divisors (8570862312).

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

4389932568 is a wasteful number, since it uses less digits than its factorization.

4389932568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27269 (or 27234 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 57.

The square root of 4389932568 is about 66256.5662255448. The cubic root of 4389932568 is about 1637.3918199652.

It can be divided in two parts, 43899 and 32568, that added together give a palindrome (76467).

The spelling of 4389932568 in words is "four billion, three hundred eighty-nine million, nine hundred thirty-two thousand, five hundred sixty-eight".