43320403140 has 144 divisors (see below), whose sum is σ = 143034337152. Its totient is φ = 9766116864.

The previous prime is 43320403121. The next prime is 43320403151. The reversal of 43320403140 is 4130402334.

It is a self number, because there is not a number n which added to its sum of digits gives 43320403140.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113697 + ... + 315543.

It is an arithmetic number, because the mean of its divisors is an integer number (993294008).

Almost surely, 2^43320403140 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 43320403140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71517168576).

43320403140 is an abundant number, since it is smaller than the sum of its proper divisors (99713934012).

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

43320403140 is a wasteful number, since it uses less digits than its factorization.

43320403140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201946 (or 201937 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 43320403140 its reverse (4130402334), we get a palindrome (47450805474).

The spelling of 43320403140 in words is "forty-three billion, three hundred twenty million, four hundred three thousand, one hundred forty".