43072299008 has 42 divisors (see below), whose sum is σ = 86176922769. Its totient is φ = 21526757376.

The previous prime is 43072298987. The next prime is 43072299013. The reversal of 43072299008 is 80099227034.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 41082425344 + 1989873664 = 202688^2 + 44608^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=146752.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43072299008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18783110 + ... + 18785402.

Almost surely, 2^43072299008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43072299008

43072299008 is an abundant number, since it is smaller than the sum of its proper divisors (43104623761).

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

43072299008 is an frugal number, since it uses more digits than its factorization.

43072299008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612 (or 2295 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 43072299008 in words is "forty-three billion, seventy-two million, two hundred ninety-nine thousand, eight".