44021039 has 2 divisors, whose sum is σ = 44021040. Its totient is φ = 44021038.

The previous prime is 44021027. The next prime is 44021053. The reversal of 44021039 is 93012044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44021039 - 2⁸ = 44020783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44021059) 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 as a sum of consecutive naturals, namely, 22010519 + 22010520.

It is an arithmetic number, because the mean of its divisors is an integer number (22010520).

Almost surely, 2^44021039 is an apocalyptic number.

44021039 is a deficient number, since it is larger than the sum of its proper divisors (1).

44021039 is an equidigital number, since it uses as much as digits as its factorization.

44021039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 44021039 is about 6634.8352654757. The cubic root of 44021039 is about 353.0910935048.

The spelling of 44021039 in words is "forty-four million, twenty-one thousand, thirty-nine".