43404240434 has 24 divisors (see below), whose sum is σ = 67542590388. Its totient is φ = 20918419200.

The previous prime is 43404240431. The next prime is 43404240443.

43404240434 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 14712962209 + 28691278225 = 121297^2 + 169385^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43404240434.

It is not an unprimeable number, because it can be changed into a prime (43404240431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 989414 + ... + 1032350.

Almost surely, 2^43404240434 is an apocalyptic number.

43404240434 is a deficient number, since it is larger than the sum of its proper divisors (24138349954).

43404240434 is a wasteful number, since it uses less digits than its factorization.

43404240434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43598 (or 43569 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

The spelling of 43404240434 in words is "forty-three billion, four hundred four million, two hundred forty thousand, four hundred thirty-four".