244240640000 has 240 divisors, whose sum is σ = 697462365600. Its totient is φ = 83736576000.

The previous prime is 244240639963. The next prime is 244240640047. The reversal of 244240640000 is 46042442.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8946371 + ... + 8973629.

It is an arithmetic number, because the mean of its divisors is an integer number (2906093190).

Almost surely, 2^244240640000 is an apocalyptic number.

244240640000 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 244240640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348731182800).

244240640000 is an abundant number, since it is smaller than the sum of its proper divisors (453221725600).

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

244240640000 is an frugal number, since it uses more digits than its factorization.

244240640000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27308 (or 27273 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 244240640000 its reverse (46042442), we get a palindrome (244286682442).

The spelling of 244240640000 in words is "two hundred forty-four billion, two hundred forty million, six hundred forty thousand".