44244020 has 24 divisors (see below), whose sum is σ = 93739464. Its totient is φ = 17540096.

The previous prime is 44244001. The next prime is 44244049. The reversal of 44244020 is 2044244.

It can be written as a sum of positive squares in 4 ways, for example, as 3232804 + 41011216 = 1798^2 + 6404^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44243983 and 44244001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7529 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (3905811).

Almost surely, 2^44244020 is an apocalyptic number.

It is an amenable number.

44244020 is an abundant number, since it is smaller than the sum of its proper divisors (49495444).

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

44244020 is a wasteful number, since it uses less digits than its factorization.

44244020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19699 (or 19697 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 44244020 is about 6651.6178483133. The cubic root of 44244020 is about 353.6862637859.

Adding to 44244020 its reverse (2044244), we get a palindrome (46288264).

The spelling of 44244020 in words is "forty-four million, two hundred forty-four thousand, twenty".