43281861468 has 12 divisors (see below), whose sum is σ = 100991010120. Its totient is φ = 14427287152.

The previous prime is 43281861461. The next prime is 43281861473. The reversal of 43281861468 is 86416818234.

43281861468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 43281861468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43281861461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803410883 + ... + 1803410906.

It is an arithmetic number, because the mean of its divisors is an integer number (8415917510).

Almost surely, 2^43281861468 is an apocalyptic number.

It is an amenable number.

43281861468 is an abundant number, since it is smaller than the sum of its proper divisors (57709148652).

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

43281861468 is a wasteful number, since it uses less digits than its factorization.

43281861468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606821796 (or 3606821794 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 51.

The spelling of 43281861468 in words is "forty-three billion, two hundred eighty-one million, eight hundred sixty-one thousand, four hundred sixty-eight".