4452189644 has 24 divisors (see below), whose sum is σ = 8931299328. Its totient is φ = 1902312720.

The previous prime is 4452189641. The next prime is 4452189647. The reversal of 4452189644 is 4469812544.

It is an interprime number because it is at equal distance from previous prime (4452189641) and next prime (4452189647).

It is a super-2 number, since 2×4452189644² = 39643985252281693472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4452189641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230924 + ... + 249459.

It is an arithmetic number, because the mean of its divisors is an integer number (372137472).

Almost surely, 2^4452189644 is an apocalyptic number.

It is an amenable number.

4452189644 is an abundant number, since it is smaller than the sum of its proper divisors (4479109684).

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

4452189644 is a wasteful number, since it uses less digits than its factorization.

4452189644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480725 (or 480723 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 4452189644 is about 66724.7303778741. The cubic root of 4452189644 is about 1645.0958938688.

The spelling of 4452189644 in words is "four billion, four hundred fifty-two million, one hundred eighty-nine thousand, six hundred forty-four".