4444040 has 32 divisors (see below), whose sum is σ = 10062360. Its totient is φ = 1766400.

The previous prime is 4444001. The next prime is 4444049. The reversal of 4444040 is 404444.

It can be written as a sum of positive squares in 4 ways, for example, as 3694084 + 749956 = 1922^2 + 866^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (4444049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9410 + ... + 9870.

Almost surely, 2^4444040 is an apocalyptic number.

4444040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444040 is an abundant number, since it is smaller than the sum of its proper divisors (5618320).

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

4444040 is a wasteful number, since it uses less digits than its factorization.

4444040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4444040 is about 2108.0891821742. The cubic root of 4444040 is about 164.4091509085.

Adding to 4444040 its reverse (404444), we get a palindrome (4848484).

The spelling of 4444040 in words is "four million, four hundred forty-four thousand, forty".