44449216 has 56 divisors (see below), whose sum is σ = 102998016. Its totient is φ = 18635520.

The previous prime is 44449213. The next prime is 44449231. The reversal of 44449216 is 61294444.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44449211) 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, 20001 + ... + 22111.

Almost surely, 2^44449216 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 44449216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51499008).

44449216 is an abundant number, since it is smaller than the sum of its proper divisors (58548800).

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

44449216 is a wasteful number, since it uses less digits than its factorization.

44449216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2167 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 44449216 is about 6667.0245237287. The cubic root of 44449216 is about 354.2321989433.

It can be divided in two parts, 4444 and 9216, that multiplied together give a palindrome (40955904).

The spelling of 44449216 in words is "forty-four million, four hundred forty-nine thousand, two hundred sixteen".