244245232440 has 480 divisors, whose sum is σ = 904640315040. Its totient is φ = 59060897280.

The previous prime is 244245232411. The next prime is 244245232471. The reversal of 244245232440 is 44232542442.

It is a happy number.

244245232440 is a `hidden beast` number, since 244 + 2 + 4 + 52 + 324 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 244245232395 and 244245232404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 296773869 + ... + 296774691.

It is an arithmetic number, because the mean of its divisors is an integer number (1884667323).

Almost surely, 2^244245232440 is an apocalyptic number.

244245232440 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 244245232440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452320157520).

244245232440 is an abundant number, since it is smaller than the sum of its proper divisors (660395082600).

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

244245232440 is a wasteful number, since it uses less digits than its factorization.

244245232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 36.

Adding to 244245232440 its reverse (44232542442), we get a palindrome (288477774882).

The spelling of 244245232440 in words is "two hundred forty-four billion, two hundred forty-five million, two hundred thirty-two thousand, four hundred forty".