44405316 has 72 divisors (see below), whose sum is σ = 116067224. Its totient is φ = 14307840.

The previous prime is 44405297. The next prime is 44405323. The reversal of 44405316 is 61350444.

It can be written as a sum of positive squares in 4 ways, for example, as 129600 + 44275716 = 360^2 + 6654^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 44405316.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160170 + ... + 160446.

Almost surely, 2^44405316 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 44405316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58033612).

44405316 is an abundant number, since it is smaller than the sum of its proper divisors (71661908).

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

44405316 is a wasteful number, since it uses less digits than its factorization.

44405316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 44405316 is about 6663.7313871434. The cubic root of 44405316 is about 354.1155420983.

The spelling of 44405316 in words is "forty-four million, four hundred five thousand, three hundred sixteen".