4441451440 has 80 divisors (see below), whose sum is σ = 10574689248. Its totient is φ = 1734340608.

The previous prime is 4441451411. The next prime is 4441451447. The reversal of 4441451440 is 441541444.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (4441451447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602014 + ... + 609346.

Almost surely, 2^4441451440 is an apocalyptic number.

4441451440 is a gapful number since it is divisible by the number (40) 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 4441451440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5287344624).

4441451440 is an abundant number, since it is smaller than the sum of its proper divisors (6133237808).

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

4441451440 is a wasteful number, since it uses less digits than its factorization.

4441451440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7526 (or 7520 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 4441451440 is about 66644.2153528722. The cubic root of 4441451440 is about 1643.7722308241.

Adding to 4441451440 its reverse (441541444), we get a palindrome (4882992884).

The spelling of 4441451440 in words is "four billion, four hundred forty-one million, four hundred fifty-one thousand, four hundred forty".