44613216 has 144 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 13582080.

The previous prime is 44613193. The next prime is 44613221. The reversal of 44613216 is 61231644.

44613216 is a `hidden beast` number, since 44 + 613 + 2 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 44613216.

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, 169501 + ... + 169763.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 2^44613216 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 44613216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69189120).

44613216 is an abundant number, since it is smaller than the sum of its proper divisors (93765024).

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

44613216 is a wasteful number, since it uses less digits than its factorization.

44613216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 318 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 44613216 is about 6679.3125394759. The cubic root of 44613216 is about 354.6673230684.

The spelling of 44613216 in words is "forty-four million, six hundred thirteen thousand, two hundred sixteen".