44425420 has 144 divisors (see below), whose sum is σ = 117059040. Its totient is φ = 13989888.

The previous prime is 44425399. The next prime is 44425421. The reversal of 44425420 is 2452444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (44425421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1931529 + ... + 1931551.

It is an arithmetic number, because the mean of its divisors is an integer number (812910).

Almost surely, 2^44425420 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 44425420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58529520).

44425420 is an abundant number, since it is smaller than the sum of its proper divisors (72633620).

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

44425420 is a wasteful number, since it uses less digits than its factorization.

44425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 44425420 is about 6665.2396806116. The cubic root of 44425420 is about 354.1689746255.

Adding to 44425420 its reverse (2452444), we get a palindrome (46877864).

The spelling of 44425420 in words is "forty-four million, four hundred twenty-five thousand, four hundred twenty".