244320664 has 96 divisors (see below), whose sum is σ = 554040000. Its totient is φ = 100649472.

The previous prime is 244320653. The next prime is 244320673. The reversal of 244320664 is 466023442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1639662 + ... + 1639810.

It is an arithmetic number, because the mean of its divisors is an integer number (5771250).

Almost surely, 2^244320664 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 244320664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277020000).

244320664 is an abundant number, since it is smaller than the sum of its proper divisors (309719336).

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

244320664 is a wasteful number, since it uses less digits than its factorization.

244320664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 244320664 is about 15630.7601862481. The cubic root of 244320664 is about 625.1535955304.

The spelling of 244320664 in words is "two hundred forty-four million, three hundred twenty thousand, six hundred sixty-four".