244443240 has 96 divisors (see below), whose sum is σ = 811399680. Its totient is φ = 63793536.

The previous prime is 244443229. The next prime is 244443247. The reversal of 244443240 is 42344442.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (244443247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9697 + ... + 24143.

It is an arithmetic number, because the mean of its divisors is an integer number (8452080).

Almost surely, 2^244443240 is an apocalyptic number.

244443240 is a gapful number since it is divisible by the number (20) 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 244443240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405699840).

244443240 is an abundant number, since it is smaller than the sum of its proper divisors (566956440).

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

244443240 is a wasteful number, since it uses less digits than its factorization.

244443240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14511 (or 14504 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 244443240 is about 15634.6806811012. The cubic root of 244443240 is about 625.2581248465.

Adding to 244443240 its reverse (42344442), we get a palindrome (286787682).

The spelling of 244443240 in words is "two hundred forty-four million, four hundred forty-three thousand, two hundred forty".