9312444140 has 12 divisors (see below), whose sum is σ = 19556132736. Its totient is φ = 3724977648.

The previous prime is 9312444077. The next prime is 9312444149. The reversal of 9312444140 is 414442139.

It is a junction number, because it is equal to n+sod(n) for n = 9312444097 and 9312444106.

It is not an unprimeable number, because it can be changed into a prime (9312444149) 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, 232811084 + ... + 232811123.

It is an arithmetic number, because the mean of its divisors is an integer number (1629677728).

Almost surely, 2^9312444140 is an apocalyptic number.

It is an amenable number.

9312444140 is an abundant number, since it is smaller than the sum of its proper divisors (10243688596).

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

9312444140 is a wasteful number, since it uses less digits than its factorization.

9312444140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465622216 (or 465622214 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 9312444140 is about 96501.0059014931. The cubic root of 9312444140 is about 2103.8812680882.

Adding to 9312444140 its reverse (414442139), we get a palindrome (9726886279).

The spelling of 9312444140 in words is "nine billion, three hundred twelve million, four hundred forty-four thousand, one hundred forty".