244081865728 has 44 divisors (see below), whose sum is σ = 488980154560. Its totient is φ = 121777108992.

The previous prime is 244081865693. The next prime is 244081865749. The reversal of 244081865728 is 827568180442.

It is a super-2 number, since 2×244081865728² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216703 + ... + 731521.

Almost surely, 2^244081865728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244081865728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244490077280).

244081865728 is an abundant number, since it is smaller than the sum of its proper divisors (244898288832).

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

244081865728 is an equidigital number, since it uses as much as digits as its factorization.

244081865728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515302 (or 515284 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 55.

The spelling of 244081865728 in words is "two hundred forty-four billion, eighty-one million, eight hundred sixty-five thousand, seven hundred twenty-eight".