440544130 has 24 divisors (see below), whose sum is σ = 858673332. Its totient is φ = 162661824.

The previous prime is 440544059. The next prime is 440544179. The reversal of 440544130 is 31445044.

It can be written as a sum of positive squares in 6 ways, for example, as 87216921 + 353327209 = 9339^2 + 18797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 440544095 and 440544104.

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 in 11 ways as a sum of consecutive naturals, for example, 128649 + ... + 132028.

Almost surely, 2^440544130 is an apocalyptic number.

440544130 is a deficient number, since it is larger than the sum of its proper divisors (418129202).

440544130 is a wasteful number, since it uses less digits than its factorization.

440544130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260710 (or 260697 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 440544130 is about 20989.1431459219. The cubic root of 440544130 is about 760.9038933798.

Adding to 440544130 its reverse (31445044), we get a palindrome (471989174).

It can be divided in two parts, 44054 and 4130, that added together give a palindrome (48184).

The spelling of 440544130 in words is "four hundred forty million, five hundred forty-four thousand, one hundred thirty".