440014144 has 14 divisors (see below), whose sum is σ = 873153194. Its totient is φ = 220007040.

The previous prime is 440014139. The next prime is 440014171. The reversal of 440014144 is 441410044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 404492544 + 35521600 = 20112^2 + 5960^2 .

It is a super-2 number, since 2×440014144² = 387224893840105472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3437547 + ... + 3437674.

Almost surely, 2^440014144 is an apocalyptic number.

It is an amenable number.

440014144 is a deficient number, since it is larger than the sum of its proper divisors (433139050).

440014144 is an equidigital number, since it uses as much as digits as its factorization.

440014144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875233 (or 6875223 counting only the distinct ones).

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

The square root of 440014144 is about 20976.5141050652. The cubic root of 440014144 is about 760.5986419073.

Adding to 440014144 its reverse (441410044), we get a palindrome (881424188).

The spelling of 440014144 in words is "four hundred forty million, fourteen thousand, one hundred forty-four".