440130512 has 10 divisors (see below), whose sum is σ = 852752898. Its totient is φ = 220065248.

The previous prime is 440130487. The next prime is 440130547. The reversal of 440130512 is 215031044.

It can be written as a sum of positive squares in only one way, i.e., 428324416 + 11806096 = 20696^2 + 3436^2 .

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, 13754063 + ... + 13754094.

Almost surely, 2^440130512 is an apocalyptic number.

It is an amenable number.

440130512 is a deficient number, since it is larger than the sum of its proper divisors (412622386).

440130512 is a wasteful number, since it uses less digits than its factorization.

440130512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27508165 (or 27508159 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 440130512 is about 20979.2876904818. The cubic root of 440130512 is about 760.6656863744.

Adding to 440130512 its reverse (215031044), we get a palindrome (655161556).

The spelling of 440130512 in words is "four hundred forty million, one hundred thirty thousand, five hundred twelve".