440343012 has 24 divisors (see below), whose sum is σ = 1081544800. Its totient is φ = 139055616.

The previous prime is 440343011. The next prime is 440343023. The reversal of 440343012 is 210343044.

It is a self number, because there is not a number n which added to its sum of digits gives 440343012.

It is not an unprimeable number, because it can be changed into a prime (440343011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965437 + ... + 965892.

Almost surely, 2^440343012 is an apocalyptic number.

It is an amenable number.

440343012 is an abundant number, since it is smaller than the sum of its proper divisors (641201788).

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

440343012 is a wasteful number, since it uses less digits than its factorization.

440343012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931355 (or 1931353 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 440343012 is about 20984.3515982744. The cubic root of 440343012 is about 760.7880860163.

Adding to 440343012 its reverse (210343044), we get a palindrome (650686056).

The spelling of 440343012 in words is "four hundred forty million, three hundred forty-three thousand, twelve".