43211044140 has 96 divisors (see below), whose sum is σ = 132235165440. Its totient is φ = 10455955200.

The previous prime is 43211044117. The next prime is 43211044141. The reversal of 43211044140 is 4144011234.

It is a self number, because there is not a number n which added to its sum of digits gives 43211044140.

It is not an unprimeable number, because it can be changed into a prime (43211044141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296551 + ... + 417569.

It is an arithmetic number, because the mean of its divisors is an integer number (1377449640).

Almost surely, 2^43211044140 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 43211044140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66117582720).

43211044140 is an abundant number, since it is smaller than the sum of its proper divisors (89024121300).

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

43211044140 is a wasteful number, since it uses less digits than its factorization.

43211044140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121583 (or 121581 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 43211044140 its reverse (4144011234), we get a palindrome (47355055374).

The spelling of 43211044140 in words is "forty-three billion, two hundred eleven million, forty-four thousand, one hundred forty".