4289489568 has 384 divisors, whose sum is σ = 15596582400. Its totient is φ = 1116758016.

The previous prime is 4289489539. The next prime is 4289489569. The reversal of 4289489568 is 8659849824.

4289489568 is a `hidden beast` number, since 4 + 28 + 9 + 48 + 9 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (4289489569) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6997230 + ... + 6997842.

It is an arithmetic number, because the mean of its divisors is an integer number (40616100).

Almost surely, 2^4289489568 is an apocalyptic number.

4289489568 is a gapful number since it is divisible by the number (48) 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 4289489568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7798291200).

4289489568 is an abundant number, since it is smaller than the sum of its proper divisors (11307092832).

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

4289489568 is a wasteful number, since it uses less digits than its factorization.

4289489568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 727 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The square root of 4289489568 is about 65494.1949183284. The cubic root of 4289489568 is about 1624.8073387999.

It can be divided in two parts, 428948 and 9568, that added together give a triangular number (438516 = T₉₃₆).

The spelling of 4289489568 in words is "four billion, two hundred eighty-nine million, four hundred eighty-nine thousand, five hundred sixty-eight".