4441440 has 96 divisors (see below), whose sum is σ = 14757120. Its totient is φ = 1119744.

The previous prime is 4441439. The next prime is 4441441. The reversal of 4441440 is 441444.

It is an interprime number because it is at equal distance from previous prime (4441439) and next prime (4441441).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441441) 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, 8877 + ... + 9363.

It is an arithmetic number, because the mean of its divisors is an integer number (153720).

Almost surely, 2^4441440 is an apocalyptic number.

4441440 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 4441440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7378560).

4441440 is an abundant number, since it is smaller than the sum of its proper divisors (10315680).

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

4441440 is a wasteful number, since it uses less digits than its factorization.

4441440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4441440 is about 2107.4724197484. The cubic root of 4441440 is about 164.3770819516.

Adding to 4441440 its reverse (441444), we get a palindrome (4882884).

The spelling of 4441440 in words is "four million, four hundred forty-one thousand, four hundred forty".