44457216 has 72 divisors (see below), whose sum is σ = 119647584. Its totient is φ = 14653440.

The previous prime is 44457211. The next prime is 44457241. The reversal of 44457216 is 61275444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44457211) 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, 81906 + ... + 82446.

It is an arithmetic number, because the mean of its divisors is an integer number (1661772).

Almost surely, 2^44457216 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 44457216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59823792).

44457216 is an abundant number, since it is smaller than the sum of its proper divisors (75190368).

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

44457216 is a wasteful number, since it uses less digits than its factorization.

44457216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 653 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 44457216 is about 6667.6244645301. The cubic root of 44457216 is about 354.2534493188.

The spelling of 44457216 in words is "forty-four million, four hundred fifty-seven thousand, two hundred sixteen".