65344244 has 48 divisors (see below), whose sum is σ = 135004800. Its totient is φ = 27659520.

The previous prime is 65344231. The next prime is 65344247. The reversal of 65344244 is 44244356.

It is a self number, because there is not a number n which added to its sum of digits gives 65344244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65344247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132839 + ... + 133329.

It is an arithmetic number, because the mean of its divisors is an integer number (2812600).

Almost surely, 2^65344244 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 65344244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67502400).

65344244 is an abundant number, since it is smaller than the sum of its proper divisors (69660556).

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

65344244 is a wasteful number, since it uses less digits than its factorization.

65344244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 597 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 65344244 is about 8083.5786629438. The cubic root of 65344244 is about 402.7811268521.

The spelling of 65344244 in words is "sixty-five million, three hundred forty-four thousand, two hundred forty-four".