440241440 has 24 divisors (see below), whose sum is σ = 1040070780. Its totient is φ = 176096512.

The previous prime is 440241427. The next prime is 440241443. The reversal of 440241440 is 44142044.

It can be written as a sum of positive squares in 2 ways, for example, as 428158864 + 12082576 = 20692^2 + 3476^2 .

It is not an unprimeable number, because it can be changed into a prime (440241443) 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, 1375595 + ... + 1375914.

Almost surely, 2^440241440 is an apocalyptic number.

440241440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440241440 is an abundant number, since it is smaller than the sum of its proper divisors (599829340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440241440 is a wasteful number, since it uses less digits than its factorization.

440241440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751524 (or 2751516 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 440241440 is about 20981.9312743131. The cubic root of 440241440 is about 760.7295856294.

Adding to 440241440 its reverse (44142044), we get a palindrome (484383484).

The spelling of 440241440 in words is "four hundred forty million, two hundred forty-one thousand, four hundred forty".