42043434404 has 12 divisors (see below), whose sum is σ = 73610845644. Its totient is φ = 21011764224.

The previous prime is 42043434401. The next prime is 42043434431. The reversal of 42043434404 is 40443434024.

It can be written as a sum of positive squares in 2 ways, for example, as 11183485504 + 30859948900 = 105752^2 + 175670^2 .

It is not an unprimeable number, because it can be changed into a prime (42043434401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478737 + ... + 2495640.

It is an arithmetic number, because the mean of its divisors is an integer number (6134237137).

Almost surely, 2^42043434404 is an apocalyptic number.

It is an amenable number.

42043434404 is a deficient number, since it is larger than the sum of its proper divisors (31567411240).

42043434404 is a wasteful number, since it uses less digits than its factorization.

42043434404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976494 (or 4976492 counting only the distinct ones).

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

Adding to 42043434404 its reverse (40443434024), we get a palindrome (82486868428).

The spelling of 42043434404 in words is "forty-two billion, forty-three million, four hundred thirty-four thousand, four hundred four".