43604430042 has 32 divisors (see below), whose sum is σ = 89886996864. Its totient is φ = 14095166400.

The previous prime is 43604430031. The next prime is 43604430047. The reversal of 43604430042 is 24003440634.

It is a junction number, because it is equal to n+sod(n) for n = 43604429991 and 43604430009.

It is not an unprimeable number, because it can be changed into a prime (43604430047) 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 15 ways as a sum of consecutive naturals, for example, 813013 + ... + 864984.

It is an arithmetic number, because the mean of its divisors is an integer number (2808968652).

Almost surely, 2^43604430042 is an apocalyptic number.

43604430042 is an abundant number, since it is smaller than the sum of its proper divisors (46282566822).

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

43604430042 is a wasteful number, since it uses less digits than its factorization.

43604430042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678134.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 43604430042 its reverse (24003440634), we get a palindrome (67607870676).

The spelling of 43604430042 in words is "forty-three billion, six hundred four million, four hundred thirty thousand, forty-two".