44816220 has 96 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 11849472.

The previous prime is 44816209. The next prime is 44816243. The reversal of 44816220 is 2261844.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80182 + ... + 80738.

It is an arithmetic number, because the mean of its divisors is an integer number (1464750).

Almost surely, 2^44816220 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 44816220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70308000).

44816220 is an abundant number, since it is smaller than the sum of its proper divisors (95799780).

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

44816220 is a wasteful number, since it uses less digits than its factorization.

44816220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 44816220 is about 6694.4917656234. The cubic root of 44816220 is about 355.2044580339.

It can be divided in two parts, 4481 and 6220, that added together give a palindrome (10701).

The spelling of 44816220 in words is "forty-four million, eight hundred sixteen thousand, two hundred twenty".