440231130012 has 24 divisors (see below), whose sum is σ = 1027980088576. Its totient is φ = 146633121648.

The previous prime is 440231129981. The next prime is 440231130029. The reversal of 440231130012 is 210031132044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13806958 + ... + 13838805.

Almost surely, 2^440231130012 is an apocalyptic number.

It is an amenable number.

440231130012 is an abundant number, since it is smaller than the sum of its proper divisors (587748958564).

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

440231130012 is a wasteful number, since it uses less digits than its factorization.

440231130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27647097 (or 27647095 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 440231130012 its reverse (210031132044), we get a palindrome (650262262056).

The spelling of 440231130012 in words is "four hundred forty billion, two hundred thirty-one million, one hundred thirty thousand, twelve".