2312440444 has 12 divisors (see below), whose sum is σ = 4049459568. Its totient is φ = 1155452000.

The previous prime is 2312440441. The next prime is 2312440499. The reversal of 2312440444 is 4440442132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312440441) 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, 185257 + ... + 197344.

It is an arithmetic number, because the mean of its divisors is an integer number (337454964).

Almost surely, 2^2312440444 is an apocalyptic number.

It is an amenable number.

2312440444 is a deficient number, since it is larger than the sum of its proper divisors (1737019124).

2312440444 is a wasteful number, since it uses less digits than its factorization.

2312440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384116 (or 384114 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2312440444 is about 48087.8409163897. The cubic root of 2312440444 is about 1322.3817657958.

Adding to 2312440444 its reverse (4440442132), we get a palindrome (6752882576).

The spelling of 2312440444 in words is "two billion, three hundred twelve million, four hundred forty thousand, four hundred forty-four".