43420002434 has 16 divisors (see below), whose sum is σ = 68940914400. Its totient is φ = 20452464864.

The previous prime is 43420002421. The next prime is 43420002463.

43420002434 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×43420002434² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3184907 + ... + 3198510.

It is an arithmetic number, because the mean of its divisors is an integer number (4308807150).

Almost surely, 2^43420002434 is an apocalyptic number.

43420002434 is a deficient number, since it is larger than the sum of its proper divisors (25520911966).

43420002434 is a wasteful number, since it uses less digits than its factorization.

43420002434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383617.

The product of its (nonzero) digits is 9216, while the sum is 26.

It can be divided in two parts, 4342000 and 2434, that added together give a palindrome (4344434).

The spelling of 43420002434 in words is "forty-three billion, four hundred twenty million, two thousand, four hundred thirty-four".