4312312740 has 144 divisors (see below), whose sum is σ = 13223574000. Its totient is φ = 1137475584.

The previous prime is 4312312717. The next prime is 4312312747. The reversal of 4312312740 is 472132134.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 32012964 + 4280299776 = 5658^2 + 65424^2 .

It is not an unprimeable number, because it can be changed into a prime (4312312747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9604036 + ... + 9604484.

It is an arithmetic number, because the mean of its divisors is an integer number (91830375).

Almost surely, 2^4312312740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4312312740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6611787000).

4312312740 is an abundant number, since it is smaller than the sum of its proper divisors (8911261260).

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

4312312740 is a wasteful number, since it uses less digits than its factorization.

4312312740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 4312312740 is about 65668.2018940674. The cubic root of 4312312740 is about 1627.6839577717.

Adding to 4312312740 its reverse (472132134), we get a palindrome (4784444874).

The spelling of 4312312740 in words is "four billion, three hundred twelve million, three hundred twelve thousand, seven hundred forty".