440022041 has 4 divisors (see below), whose sum is σ = 442453284. Its totient is φ = 437590800.

The previous prime is 440021957. The next prime is 440022047. The reversal of 440022041 is 140220044.

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 195412441 + 244609600 = 13979^2 + 15640^2 .

It is a cyclic number.

It is not a de Polignac number, because 440022041 - 2¹⁰ = 440021017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440022047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215350 + ... + 1215711.

It is an arithmetic number, because the mean of its divisors is an integer number (110613321).

Almost surely, 2^440022041 is an apocalyptic number.

It is an amenable number.

440022041 is a deficient number, since it is larger than the sum of its proper divisors (2431243).

440022041 is a wasteful number, since it uses less digits than its factorization.

440022041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431242.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 440022041 is about 20976.7023385469. The cubic root of 440022041 is about 760.6031920728.

Adding to 440022041 its reverse (140220044), we get a palindrome (580242085).

The spelling of 440022041 in words is "four hundred forty million, twenty-two thousand, forty-one".