4043020434 has 16 divisors (see below), whose sum is σ = 8346881280. Its totient is φ = 1304200080.

The previous prime is 4043020391. The next prime is 4043020439. The reversal of 4043020434 is 4340203404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4043020439) 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 7 ways as a sum of consecutive naturals, for example, 10868149 + ... + 10868520.

It is an arithmetic number, because the mean of its divisors is an integer number (521680080).

Almost surely, 2^4043020434 is an apocalyptic number.

4043020434 is an abundant number, since it is smaller than the sum of its proper divisors (4303860846).

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

4043020434 is a wasteful number, since it uses less digits than its factorization.

4043020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21736705.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4043020434 is about 63584.7500113038. The cubic root of 4043020434 is about 1593.0716611396.

Adding to 4043020434 its reverse (4340203404), we get a palindrome (8383223838).

The spelling of 4043020434 in words is "four billion, forty-three million, twenty thousand, four hundred thirty-four".