244321343240 has 64 divisors (see below), whose sum is σ = 626833514160. Its totient is φ = 84904427520.

The previous prime is 244321343221. The next prime is 244321343263. The reversal of 244321343240 is 42343123442.

It can be written as a sum of positive squares in 8 ways, for example, as 121163863396 + 123157479844 = 348086^2 + 350938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244321343197 and 244321343206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13810241 + ... + 13827920.

Almost surely, 2^244321343240 is an apocalyptic number.

244321343240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244321343240 is an abundant number, since it is smaller than the sum of its proper divisors (382512170920).

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

244321343240 is a wasteful number, since it uses less digits than its factorization.

244321343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27638202 (or 27638198 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 244321343240 its reverse (42343123442), we get a palindrome (286664466682).

The spelling of 244321343240 in words is "two hundred forty-four billion, three hundred twenty-one million, three hundred forty-three thousand, two hundred forty".