4445568 has 96 divisors (see below), whose sum is σ = 13604760. Its totient is φ = 1388544.

The previous prime is 4445561. The next prime is 4445569. The reversal of 4445568 is 8655444.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4445561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19471 + ... + 19697.

Almost surely, 2^4445568 is an apocalyptic number.

4445568 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 4445568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6802380).

4445568 is an abundant number, since it is smaller than the sum of its proper divisors (9159192).

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

4445568 is a wasteful number, since it uses less digits than its factorization.

4445568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 249 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 4445568 is about 2108.4515645374. The cubic root of 4445568 is about 164.4279917528.

The spelling of 4445568 in words is "four million, four hundred forty-five thousand, five hundred sixty-eight".