44409216 has 64 divisors (see below), whose sum is σ = 119156400. Its totient is φ = 14653440.

The previous prime is 44409199. The next prime is 44409217. The reversal of 44409216 is 61290444.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44409217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41326 + ... + 42386.

Almost surely, 2^44409216 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 44409216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59578200).

44409216 is an abundant number, since it is smaller than the sum of its proper divisors (74747184).

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

44409216 is a wasteful number, since it uses less digits than its factorization.

44409216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 44409216 is about 6664.0240095606. The cubic root of 44409216 is about 354.1259088015.

The spelling of 44409216 in words is "forty-four million, four hundred nine thousand, two hundred sixteen".