43266782140868 has 54 divisors (see below), whose sum is σ = 90120439723482. Its totient is φ = 18153894570240.

The previous prime is 43266782140867. The next prime is 43266782140871. The reversal of 43266782140868 is 86804128766234.

43266782140868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 301798607044 + 42964983533824 = 549362^2 + 6554768^2 .

It is a super-2 number, since 2×43266782140868² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43266782140867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 264398021 + ... + 264561612.

Almost surely, 2^{43266782140868} is an apocalyptic number.

It is an amenable number.

43266782140868 is an abundant number, since it is smaller than the sum of its proper divisors (46853657582614).

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

43266782140868 is a wasteful number, since it uses less digits than its factorization.

43266782140868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528959685 (or 528959659 counting only the distinct ones).

The product of its (nonzero) digits is 148635648, while the sum is 65.

The spelling of 43266782140868 in words is "forty-three trillion, two hundred sixty-six billion, seven hundred eighty-two million, one hundred forty thousand, eight hundred sixty-eight".