43204207668 has 12 divisors (see below), whose sum is σ = 100809817920. Its totient is φ = 14401402552.

The previous prime is 43204207649. The next prime is 43204207679. The reversal of 43204207668 is 86670240234.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800175308 + ... + 1800175331.

It is an arithmetic number, because the mean of its divisors is an integer number (8400818160).

Almost surely, 2^43204207668 is an apocalyptic number.

It is an amenable number.

43204207668 is an abundant number, since it is smaller than the sum of its proper divisors (57605610252).

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

43204207668 is a wasteful number, since it uses less digits than its factorization.

43204207668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600350646 (or 3600350644 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 43204207668 in words is "forty-three billion, two hundred four million, two hundred seven thousand, six hundred sixty-eight".