440403812 has 12 divisors (see below), whose sum is σ = 811270320. Its totient is φ = 208612296.

The previous prime is 440403811. The next prime is 440403857. The reversal of 440403812 is 218304044.

It is not an unprimeable number, because it can be changed into a prime (440403811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897318 + ... + 2897469.

It is an arithmetic number, because the mean of its divisors is an integer number (67605860).

Almost surely, 2^440403812 is an apocalyptic number.

It is an amenable number.

440403812 is a deficient number, since it is larger than the sum of its proper divisors (370866508).

440403812 is a wasteful number, since it uses less digits than its factorization.

440403812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794810 (or 5794808 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 440403812 is about 20985.8002468336. The cubic root of 440403812 is about 760.8230994684.

Adding to 440403812 its reverse (218304044), we get a palindrome (658707856).

The spelling of 440403812 in words is "four hundred forty million, four hundred three thousand, eight hundred twelve".