44447616 has 96 divisors (see below), whose sum is σ = 132732600. Its totient is φ = 14805504.

The previous prime is 44447609. The next prime is 44447617. The reversal of 44447616 is 61674444.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44447617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30390 + ... + 31818.

Almost surely, 2^44447616 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 44447616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66366300).

44447616 is an abundant number, since it is smaller than the sum of its proper divisors (88284984).

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

44447616 is an equidigital number, since it uses as much as digits as its factorization.

44447616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1434 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 44447616 is about 6666.9045290899. The cubic root of 44447616 is about 354.2279485622.

The spelling of 44447616 in words is "forty-four million, four hundred forty-seven thousand, six hundred sixteen".