43212344140 has 48 divisors (see below), whose sum is σ = 103737678912. Its totient is φ = 14811653376.

The previous prime is 43212344117. The next prime is 43212344207. The reversal of 43212344140 is 4144321234.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 43212344099 and 43212344108.

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, 502974 + ... + 582586.

It is an arithmetic number, because the mean of its divisors is an integer number (2161201644).

Almost surely, 2^43212344140 is an apocalyptic number.

It is an amenable number.

43212344140 is an abundant number, since it is smaller than the sum of its proper divisors (60525334772).

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

43212344140 is a wasteful number, since it uses less digits than its factorization.

43212344140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83506 (or 83504 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 43212344140 its reverse (4144321234), we get a palindrome (47356665374).

The spelling of 43212344140 in words is "forty-three billion, two hundred twelve million, three hundred forty-four thousand, one hundred forty".