244713604240 has 120 divisors (see below), whose sum is σ = 658583472960. Its totient is φ = 82838575872.

The previous prime is 244713604231. The next prime is 244713604241. The reversal of 244713604240 is 42406317442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 244713604240.

It is not an unprimeable number, because it can be changed into a prime (244713604241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3459951 + ... + 3529969.

It is an arithmetic number, because the mean of its divisors is an integer number (5488195608).

Almost surely, 2^244713604240 is an apocalyptic number.

244713604240 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 244713604240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329291736480).

244713604240 is an abundant number, since it is smaller than the sum of its proper divisors (413869868720).

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

244713604240 is an equidigital number, since it uses as much as digits as its factorization.

244713604240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70197 (or 70112 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 244713604240 in words is "two hundred forty-four billion, seven hundred thirteen million, six hundred four thousand, two hundred forty".