43705282128 has 40 divisors (see below), whose sum is σ = 113478460128. Its totient is φ = 14494472832.

The previous prime is 43705282121. The next prime is 43705282129. The reversal of 43705282128 is 82128250734.

It is a self number, because there is not a number n which added to its sum of digits gives 43705282128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43705282121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2301526 + ... + 2320437.

Almost surely, 2^43705282128 is an apocalyptic number.

43705282128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43705282128 is an abundant number, since it is smaller than the sum of its proper divisors (69773178000).

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

43705282128 is a wasteful number, since it uses less digits than its factorization.

43705282128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622171 (or 4622165 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 43705282128 in words is "forty-three billion, seven hundred five million, two hundred eighty-two thousand, one hundred twenty-eight".