44531616 has 48 divisors (see below), whose sum is σ = 117821088. Its totient is φ = 14726400.

The previous prime is 44531587. The next prime is 44531629. The reversal of 44531616 is 61613544.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10806 + ... + 14346.

It is an arithmetic number, because the mean of its divisors is an integer number (2454606).

Almost surely, 2^44531616 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 44531616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58910544).

44531616 is an abundant number, since it is smaller than the sum of its proper divisors (73289472).

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

44531616 is a wasteful number, since it uses less digits than its factorization.

44531616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3677 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 44531616 is about 6673.2013306958. The cubic root of 44531616 is about 354.4509558204.

The spelling of 44531616 in words is "forty-four million, five hundred thirty-one thousand, six hundred sixteen".