42516668804 has 6 divisors (see below), whose sum is σ = 74404170414. Its totient is φ = 21258334400.

The previous prime is 42516668801. The next prime is 42516668861. The reversal of 42516668804 is 40886661524.

It can be written as a sum of positive squares in only one way, i.e., 27300952900 + 15215715904 = 165230^2 + 123352^2 .

It is not an unprimeable number, because it can be changed into a prime (42516668801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5314583597 + ... + 5314583604.

It is an arithmetic number, because the mean of its divisors is an integer number (12400695069).

Almost surely, 2^42516668804 is an apocalyptic number.

It is an amenable number.

42516668804 is a deficient number, since it is larger than the sum of its proper divisors (31887501610).

42516668804 is a wasteful number, since it uses less digits than its factorization.

42516668804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10629167205 (or 10629167203 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 42516668804 in words is "forty-two billion, five hundred sixteen million, six hundred sixty-eight thousand, eight hundred four".