244103440 has 80 divisors (see below), whose sum is σ = 671028480. Its totient is φ = 80801280.

The previous prime is 244103437. The next prime is 244103441. The reversal of 244103440 is 44301442.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (244103441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8725 + ... + 23755.

It is an arithmetic number, because the mean of its divisors is an integer number (8387856).

Almost surely, 2^244103440 is an apocalyptic number.

244103440 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 244103440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335514240).

244103440 is an abundant number, since it is smaller than the sum of its proper divisors (426925040).

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

244103440 is a wasteful number, since it uses less digits than its factorization.

244103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15080 (or 15074 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 244103440 is about 15623.8100346874. The cubic root of 244103440 is about 624.9682671889.

Adding to 244103440 its reverse (44301442), we get a palindrome (288404882).

It can be divided in two parts, 244 and 103440, that added together give a square (103684 = 322²).

The spelling of 244103440 in words is "two hundred forty-four million, one hundred three thousand, four hundred forty".