244720646446 has 16 divisors (see below), whose sum is σ = 368762421888. Its totient is φ = 121799944800.

The previous prime is 244720646441. The next prime is 244720646473. The reversal of 244720646446 is 644646027442.

It is a self number, because there is not a number n which added to its sum of digits gives 244720646446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244720646441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6376956 + ... + 6415216.

It is an arithmetic number, because the mean of its divisors is an integer number (23047651368).

Almost surely, 2^244720646446 is an apocalyptic number.

244720646446 is a deficient number, since it is larger than the sum of its proper divisors (124041775442).

244720646446 is a wasteful number, since it uses less digits than its factorization.

244720646446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52827.

The product of its (nonzero) digits is 6193152, while the sum is 49.

The spelling of 244720646446 in words is "two hundred forty-four billion, seven hundred twenty million, six hundred forty-six thousand, four hundred forty-six".