43211402868 has 24 divisors (see below), whose sum is σ = 102246701760. Its totient is φ = 14200930240.

The previous prime is 43211402867. The next prime is 43211402879. The reversal of 43211402868 is 86820411234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43211402867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25357953 + ... + 25359656.

It is an arithmetic number, because the mean of its divisors is an integer number (4260279240).

Almost surely, 2^43211402868 is an apocalyptic number.

It is an amenable number.

43211402868 is an abundant number, since it is smaller than the sum of its proper divisors (59035298892).

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

43211402868 is a wasteful number, since it uses less digits than its factorization.

43211402868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50717687 (or 50717685 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 43211402868 in words is "forty-three billion, two hundred eleven million, four hundred two thousand, eight hundred sixty-eight".