42102205004 has 24 divisors (see below), whose sum is σ = 74262386688. Its totient is φ = 20884865040.

The previous prime is 42102205001. The next prime is 42102205039. The reversal of 42102205004 is 40050220124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42102205001) 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 7 ways as a sum of consecutive naturals, for example, 289109 + ... + 409619.

It is an arithmetic number, because the mean of its divisors is an integer number (3094266112).

Almost surely, 2^42102205004 is an apocalyptic number.

It is an amenable number.

42102205004 is a deficient number, since it is larger than the sum of its proper divisors (32160181684).

42102205004 is a wasteful number, since it uses less digits than its factorization.

42102205004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121205 (or 121203 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 42102205004 its reverse (40050220124), we get a palindrome (82152425128).

The spelling of 42102205004 in words is "forty-two billion, one hundred two million, two hundred five thousand, four".