44045300021 has 16 divisors (see below), whose sum is σ = 46726986240. Its totient is φ = 41448664320.

The previous prime is 44045299873. The next prime is 44045300059. The reversal of 44045300021 is 12000354044.

It is a cyclic number.

It is not a de Polignac number, because 44045300021 - 2³⁰ = 42971558197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44045300021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44045300071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261440 + ... + 395526.

It is an arithmetic number, because the mean of its divisors is an integer number (2920436640).

Almost surely, 2^44045300021 is an apocalyptic number.

It is an amenable number.

44045300021 is a deficient number, since it is larger than the sum of its proper divisors (2681686219).

44045300021 is a wasteful number, since it uses less digits than its factorization.

44045300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134404.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 44045300021 its reverse (12000354044), we get a palindrome (56045654065).

The spelling of 44045300021 in words is "forty-four billion, forty-five million, three hundred thousand, twenty-one".