4441144240 has 120 divisors (see below), whose sum is σ = 11232540000. Its totient is φ = 1632264192.

The previous prime is 4441144219. The next prime is 4441144241. The reversal of 4441144240 is 424411444.

It is a junction number, because it is equal to n+sod(n) for n = 4441144199 and 4441144208.

It is not an unprimeable number, because it can be changed into a prime (4441144241) 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, 3555136 + ... + 3556384.

It is an arithmetic number, because the mean of its divisors is an integer number (93604500).

Almost surely, 2^4441144240 is an apocalyptic number.

4441144240 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 4441144240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5616270000).

4441144240 is an abundant number, since it is smaller than the sum of its proper divisors (6791395760).

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

4441144240 is a wasteful number, since it uses less digits than its factorization.

4441144240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 4441144240 is about 66641.9105368386. The cubic root of 4441144240 is about 1643.7343319166.

Adding to 4441144240 its reverse (424411444), we get a palindrome (4865555684).

The spelling of 4441144240 in words is "four billion, four hundred forty-one million, one hundred forty-four thousand, two hundred forty".