43112344340 has 24 divisors (see below), whose sum is σ = 97500225480. Its totient is φ = 15918403968.

The previous prime is 43112344309. The next prime is 43112344343. The reversal of 43112344340 is 4344321134.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4879581316 + 38232763024 = 69854^2 + 195532^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43112344343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82908095 + ... + 82908614.

It is an arithmetic number, because the mean of its divisors is an integer number (4062509395).

Almost surely, 2^43112344340 is an apocalyptic number.

It is an amenable number.

43112344340 is an abundant number, since it is smaller than the sum of its proper divisors (54387881140).

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

43112344340 is a wasteful number, since it uses less digits than its factorization.

43112344340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165816731 (or 165816729 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 43112344340 its reverse (4344321134), we get a palindrome (47456665474).

The spelling of 43112344340 in words is "forty-three billion, one hundred twelve million, three hundred forty-four thousand, three hundred forty".