244885728 has 48 divisors (see below), whose sum is σ = 645215760. Its totient is φ = 81325056.

The previous prime is 244885703. The next prime is 244885763. The reversal of 244885728 is 827588442.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21988 + ... + 31196.

It is an arithmetic number, because the mean of its divisors is an integer number (13441995).

Almost surely, 2^244885728 is an apocalyptic number.

It is an amenable number.

244885728 is an abundant number, since it is smaller than the sum of its proper divisors (400330032).

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

244885728 is a wasteful number, since it uses less digits than its factorization.

244885728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499 (or 9491 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 48.

The square root of 244885728 is about 15648.8251316193. The cubic root of 244885728 is about 625.6351754913.

The spelling of 244885728 in words is "two hundred forty-four million, eight hundred eighty-five thousand, seven hundred twenty-eight".