42043231004 has 12 divisors (see below), whose sum is σ = 73696870464. Its totient is φ = 20986982304.

The previous prime is 42043230997. The next prime is 42043231007. The reversal of 42043231004 is 40013234024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043231007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8655569 + ... + 8660424.

It is an arithmetic number, because the mean of its divisors is an integer number (6141405872).

Almost surely, 2^42043231004 is an apocalyptic number.

It is an amenable number.

42043231004 is a deficient number, since it is larger than the sum of its proper divisors (31653639460).

42043231004 is a wasteful number, since it uses less digits than its factorization.

42043231004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17316604 (or 17316602 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42043231004 its reverse (40013234024), we get a palindrome (82056465028).

The spelling of 42043231004 in words is "forty-two billion, forty-three million, two hundred thirty-one thousand, four".