4244440 has 32 divisors (see below), whose sum is σ = 9882000. Its totient is φ = 1638784.

The previous prime is 4244437. The next prime is 4244447. The reversal of 4244440 is 444424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244447) 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, 670 + ... + 2989.

Almost surely, 2^4244440 is an apocalyptic number.

4244440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4244440 is an abundant number, since it is smaller than the sum of its proper divisors (5637560).

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

4244440 is a wasteful number, since it uses less digits than its factorization.

4244440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4244440 is about 2060.2038734067. The cubic root of 4244440 is about 161.9099229969.

Adding to 4244440 its reverse (444424), we get a palindrome (4688864).

The spelling of 4244440 in words is "four million, two hundred forty-four thousand, four hundred forty".