43835844940 has 48 divisors (see below), whose sum is σ = 95481338400. Its totient is φ = 16884951552.

The previous prime is 43835844929. The next prime is 43835844947. The reversal of 43835844940 is 4944853834.

It is not an unprimeable number, because it can be changed into a prime (43835844947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120112 + ... + 319528.

It is an arithmetic number, because the mean of its divisors is an integer number (1989194550).

Almost surely, 2^43835844940 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 43835844940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47740669200).

43835844940 is an abundant number, since it is smaller than the sum of its proper divisors (51645493460).

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

43835844940 is a wasteful number, since it uses less digits than its factorization.

43835844940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199834 (or 199832 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 43835844940 in words is "forty-three billion, eight hundred thirty-five million, eight hundred forty-four thousand, nine hundred forty".