244665564 has 96 divisors (see below), whose sum is σ = 710228736. Its totient is φ = 64404480.

The previous prime is 244665563. The next prime is 244665587. The reversal of 244665564 is 465566442.

It is a super-2 number, since 2×244665564² = 119722476414876192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244665563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24979 + ... + 33365.

It is an arithmetic number, because the mean of its divisors is an integer number (7398216).

Almost surely, 2^244665564 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 244665564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355114368).

244665564 is an abundant number, since it is smaller than the sum of its proper divisors (465563172).

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

244665564 is a wasteful number, since it uses less digits than its factorization.

244665564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435 (or 8433 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 244665564 is about 15641.7890281131. The cubic root of 244665564 is about 625.4476272778.

The spelling of 244665564 in words is "two hundred forty-four million, six hundred sixty-five thousand, five hundred sixty-four".