44021140441 has 4 divisors (see below), whose sum is σ = 44342462772. Its totient is φ = 43699818112.

The previous prime is 44021140343. The next prime is 44021140447. The reversal of 44021140441 is 14404112044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13055347600 + 30965792841 = 114260^2 + 175971^2 .

It is a cyclic number.

It is not a de Polignac number, because 44021140441 - 2²³ = 44012751833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44021140447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160660960 + ... + 160661233.

It is an arithmetic number, because the mean of its divisors is an integer number (11085615693).

Almost surely, 2^44021140441 is an apocalyptic number.

It is an amenable number.

44021140441 is a deficient number, since it is larger than the sum of its proper divisors (321322331).

44021140441 is a wasteful number, since it uses less digits than its factorization.

44021140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321322330.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 44021140441 its reverse (14404112044), we get a palindrome (58425252485).

The spelling of 44021140441 in words is "forty-four billion, twenty-one million, one hundred forty thousand, four hundred forty-one".