44021109 has 32 divisors (see below), whose sum is σ = 68428800. Its totient is φ = 24876800.

The previous prime is 44021069. The next prime is 44021113. The reversal of 44021109 is 90112044.

It is a cyclic number.

It is not a de Polignac number, because 44021109 - 2⁷ = 44020981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44021129) 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 31 ways as a sum of consecutive naturals, for example, 73192 + ... + 73790.

It is an arithmetic number, because the mean of its divisors is an integer number (2138400).

Almost surely, 2^44021109 is an apocalyptic number.

It is an amenable number.

44021109 is a deficient number, since it is larger than the sum of its proper divisors (24407691).

44021109 is a wasteful number, since it uses less digits than its factorization.

44021109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 44021109 is about 6634.8405406611. The cubic root of 44021109 is about 353.0912806605.

The spelling of 44021109 in words is "forty-four million, twenty-one thousand, one hundred nine".