44330440 has 128 divisors (see below), whose sum is σ = 128044800. Its totient is φ = 13409280.

The previous prime is 44330423. The next prime is 44330449. The reversal of 44330440 is 4403344.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (44330449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113766 + ... + 114154.

It is an arithmetic number, because the mean of its divisors is an integer number (1000350).

Almost surely, 2^44330440 is an apocalyptic number.

44330440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44330440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64022400).

44330440 is an abundant number, since it is smaller than the sum of its proper divisors (83714360).

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

44330440 is a wasteful number, since it uses less digits than its factorization.

44330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 44330440 is about 6658.1108431747. The cubic root of 44330440 is about 353.9163942281.

Adding to 44330440 its reverse (4403344), we get a palindrome (48733784).

It can be divided in two parts, 443304 and 40, that added together give a palindrome (443344).

The spelling of 44330440 in words is "forty-four million, three hundred thirty thousand, four hundred forty".