440441441 has 4 divisors (see below), whose sum is σ = 480481584. Its totient is φ = 400401300.

The previous prime is 440441399. The next prime is 440441453. The reversal of 440441441 is 144144044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440441441 - 2¹⁴ = 440425057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440441441.

It is not an unprimeable number, because it can be changed into a prime (440441041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20020055 + ... + 20020076.

It is an arithmetic number, because the mean of its divisors is an integer number (120120396).

Almost surely, 2^440441441 is an apocalyptic number.

It is an amenable number.

440441441 is a deficient number, since it is larger than the sum of its proper divisors (40040143).

440441441 is a wasteful number, since it uses less digits than its factorization.

440441441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40040142.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 440441441 is about 20986.6967624731. The cubic root of 440441441 is about 760.8447676105.

Adding to 440441441 its reverse (144144044), we get a palindrome (584585485).

The spelling of 440441441 in words is "four hundred forty million, four hundred forty-one thousand, four hundred forty-one".