440041144 has 8 divisors (see below), whose sum is σ = 825077160. Its totient is φ = 220020568.

The previous prime is 440041109. The next prime is 440041163. The reversal of 440041144 is 441140044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 27502564 + ... + 27502579.

It is an arithmetic number, because the mean of its divisors is an integer number (103134645).

Almost surely, 2^440041144 is an apocalyptic number.

It is an amenable number.

440041144 is a deficient number, since it is larger than the sum of its proper divisors (385036016).

440041144 is a wasteful number, since it uses less digits than its factorization.

440041144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55005149 (or 55005145 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 440041144 is about 20977.1576720966. The cubic root of 440041144 is about 760.6141987885.

Adding to 440041144 its reverse (441140044), we get a palindrome (881181188).

The spelling of 440041144 in words is "four hundred forty million, forty-one thousand, one hundred forty-four".