1444480 has 64 divisors (see below), whose sum is σ = 3604680. Its totient is φ = 552960.

The previous prime is 1444477. The next prime is 1444481. The reversal of 1444480 is 844441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1065024 + 379456 = 1032^2 + 616^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1444481) 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, 23650 + ... + 23710.

2^1444480 is an apocalyptic number.

1444480 is a gapful number since it is divisible by the number (10) 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 1444480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802340).

1444480 is an abundant number, since it is smaller than the sum of its proper divisors (2160200).

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

1444480 is an equidigital number, since it uses as much as digits as its factorization.

1444480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1444480 is about 1201.8652170689. The cubic root of 1444480 is about 113.0413089370.

It can be divided in two parts, 144 and 4480, that added together give a square (4624 = 68²).

The spelling of 1444480 in words is "one million, four hundred forty-four thousand, four hundred eighty".