44320420 has 12 divisors (see below), whose sum is σ = 93072924. Its totient is φ = 17728160.

The previous prime is 44320403. The next prime is 44320427. The reversal of 44320420 is 2402344.

It can be written as a sum of positive squares in 2 ways, for example, as 8248384 + 36072036 = 2872^2 + 6006^2 .

It is not an unprimeable number, because it can be changed into a prime (44320427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107991 + ... + 1108030.

It is an arithmetic number, because the mean of its divisors is an integer number (7756077).

Almost surely, 2^44320420 is an apocalyptic number.

It is an amenable number.

44320420 is an abundant number, since it is smaller than the sum of its proper divisors (48752504).

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

44320420 is a wasteful number, since it uses less digits than its factorization.

44320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216030 (or 2216028 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 44320420 is about 6657.3583349554. The cubic root of 44320420 is about 353.8897270029.

Adding to 44320420 its reverse (2402344), we get a palindrome (46722764).

The spelling of 44320420 in words is "forty-four million, three hundred twenty thousand, four hundred twenty".