43643102740 has 12 divisors (see below), whose sum is σ = 91650515796. Its totient is φ = 17457241088.

The previous prime is 43643102719. The next prime is 43643102747. The reversal of 43643102740 is 4720134634.

It can be written as a sum of positive squares in 2 ways, for example, as 20829416976 + 22813685764 = 144324^2 + 151042^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43643102696 and 43643102705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43643102747) 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, 1091077549 + ... + 1091077588.

It is an arithmetic number, because the mean of its divisors is an integer number (7637542983).

Almost surely, 2^43643102740 is an apocalyptic number.

It is an amenable number.

43643102740 is an abundant number, since it is smaller than the sum of its proper divisors (48007413056).

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

43643102740 is a wasteful number, since it uses less digits than its factorization.

43643102740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182155146 (or 2182155144 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 43643102740 in words is "forty-three billion, six hundred forty-three million, one hundred two thousand, seven hundred forty".