44401216 has 28 divisors (see below), whose sum is σ = 88993980. Its totient is φ = 21977600.

The previous prime is 44401213. The next prime is 44401219. The reversal of 44401216 is 61210444.

It is an interprime number because it is at equal distance from previous prime (44401213) and next prime (44401219).

It can be written as a sum of positive squares in 2 ways, for example, as 20430400 + 23970816 = 4520^2 + 4896^2 .

It is not an unprimeable number, because it can be changed into a prime (44401211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3030 + ... + 9898.

Almost surely, 2^44401216 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 44401216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44496990).

44401216 is an abundant number, since it is smaller than the sum of its proper divisors (44592764).

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

44401216 is a wasteful number, since it uses less digits than its factorization.

44401216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6972 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 44401216 is about 6663.4237445926. The cubic root of 44401216 is about 354.1046431149.

The spelling of 44401216 in words is "forty-four million, four hundred one thousand, two hundred sixteen".