43204140443 has 4 divisors (see below), whose sum is σ = 44257900008. Its totient is φ = 42150380880.

The previous prime is 43204140407. The next prime is 43204140503. The reversal of 43204140443 is 34404140234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43204140443 - 2¹⁸ = 43203878299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43204140143) 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, 526879721 + ... + 526879802.

It is an arithmetic number, because the mean of its divisors is an integer number (11064475002).

Almost surely, 2^43204140443 is an apocalyptic number.

43204140443 is a deficient number, since it is larger than the sum of its proper divisors (1053759565).

43204140443 is a wasteful number, since it uses less digits than its factorization.

43204140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053759564.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 43204140443 its reverse (34404140234), we get a palindrome (77608280677).

The spelling of 43204140443 in words is "forty-three billion, two hundred four million, one hundred forty thousand, four hundred forty-three".