44021065 has 16 divisors (see below), whose sum is σ = 58444416. Its totient is φ = 31561600.

The previous prime is 44021063. The next prime is 44021069. The reversal of 44021065 is 56012044.

It is not a de Polignac number, because 44021065 - 2¹ = 44021063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44021063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1732 + ... + 9541.

It is an arithmetic number, because the mean of its divisors is an integer number (3652776).

Almost surely, 2^44021065 is an apocalyptic number.

It is an amenable number.

44021065 is a deficient number, since it is larger than the sum of its proper divisors (14423351).

44021065 is a wasteful number, since it uses less digits than its factorization.

44021065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11360.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 44021065 is about 6634.8372248308. The cubic root of 44021065 is about 353.0911630198.

The spelling of 44021065 in words is "forty-four million, twenty-one thousand, sixty-five".