9044240 has 40 divisors (see below), whose sum is σ = 21212928. Its totient is φ = 3585920.

The previous prime is 9044237. The next prime is 9044249. The reversal of 9044240 is 424409.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (9044249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10049 + ... + 10911.

Almost surely, 2^9044240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10606464).

9044240 is an abundant number, since it is smaller than the sum of its proper divisors (12168688).

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

9044240 is a wasteful number, since it uses less digits than its factorization.

9044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 9044240 is about 3007.3642945277. The cubic root of 9044240 is about 208.3486509626.

Adding to 9044240 its reverse (424409), we get a palindrome (9468649).

The spelling of 9044240 in words is "nine million, forty-four thousand, two hundred forty".