2444440 has 32 divisors (see below), whose sum is σ = 5741280. Its totient is φ = 934912.

The previous prime is 2444437. The next prime is 2444441. The reversal of 2444440 is 444442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444441) 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, 409 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (179415).

2^2444440 is an apocalyptic number.

2444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444440 is an abundant number, since it is smaller than the sum of its proper divisors (3296840).

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

2444440 is a wasteful number, since it uses less digits than its factorization.

2444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2687 counting only the distinct ones).

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

The square root of 2444440 is about 1563.4704986024. The cubic root of 2444440 is about 134.7079190461.

Adding to 2444440 its reverse (444442), we get a palindrome (2888882).

The spelling of 2444440 in words is "two million, four hundred forty-four thousand, four hundred forty".