43204421572 has 24 divisors (see below), whose sum is σ = 81440023896. Its totient is φ = 19936508928.

The previous prime is 43204421569. The next prime is 43204421581. The reversal of 43204421572 is 27512440234.

43204421572 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 4 ways, for example, as 34386496 + 43170035076 = 5864^2 + 207774^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187338 + ... + 348574.

It is an arithmetic number, because the mean of its divisors is an integer number (3393334329).

Almost surely, 2^43204421572 is an apocalyptic number.

It is an amenable number.

43204421572 is a deficient number, since it is larger than the sum of its proper divisors (38235602324).

43204421572 is a wasteful number, since it uses less digits than its factorization.

43204421572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166407 (or 166405 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 43204421572 in words is "forty-three billion, two hundred four million, four hundred twenty-one thousand, five hundred seventy-two".