312042444 has 48 divisors (see below), whose sum is σ = 843849216. Its totient is φ = 87897600.

The previous prime is 312042343. The next prime is 312042457. The reversal of 312042444 is 444240213.

It is a happy number.

312042444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20197 + ... + 32124.

It is an arithmetic number, because the mean of its divisors is an integer number (17580192).

Almost surely, 2^312042444 is an apocalyptic number.

It is an amenable number.

312042444 is an abundant number, since it is smaller than the sum of its proper divisors (531806772).

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

312042444 is a wasteful number, since it uses less digits than its factorization.

312042444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52406 (or 52404 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 312042444 is about 17664.7231509582. The cubic root of 312042444 is about 678.2730428875.

Adding to 312042444 its reverse (444240213), we get a palindrome (756282657).

The spelling of 312042444 in words is "three hundred twelve million, forty-two thousand, four hundred forty-four".