43040012204 has 18 divisors (see below), whose sum is σ = 87617168100. Its totient is φ = 18445719432.

The previous prime is 43040012177. The next prime is 43040012209. The reversal of 43040012204 is 40221004034.

It is not an unprimeable number, because it can be changed into a prime (43040012209) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 109795754 + ... + 109796145.

It is an arithmetic number, because the mean of its divisors is an integer number (4867620450).

Almost surely, 2^43040012204 is an apocalyptic number.

It is an amenable number.

43040012204 is an abundant number, since it is smaller than the sum of its proper divisors (44577155896).

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

43040012204 is a wasteful number, since it uses less digits than its factorization.

43040012204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219591917 (or 219591908 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 43040012204 its reverse (40221004034), we get a palindrome (83261016238).

The spelling of 43040012204 in words is "forty-three billion, forty million, twelve thousand, two hundred four".