44045320 has 32 divisors (see below), whose sum is σ = 108112320. Its totient is φ = 16016320.

The previous prime is 44045311. The next prime is 44045321. The reversal of 44045320 is 2354044.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 44045291 and 44045300.

It is not an unprimeable number, because it can be changed into a prime (44045321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49612 + ... + 50491.

It is an arithmetic number, because the mean of its divisors is an integer number (3378510).

Almost surely, 2^44045320 is an apocalyptic number.

44045320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44045320 is an abundant number, since it is smaller than the sum of its proper divisors (64067000).

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

44045320 is a wasteful number, since it uses less digits than its factorization.

44045320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100125 (or 100121 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 44045320 is about 6636.6648250458. The cubic root of 44045320 is about 353.1560005676.

Adding to 44045320 its reverse (2354044), we get a palindrome (46399364).

The spelling of 44045320 in words is "forty-four million, forty-five thousand, three hundred twenty".