42004868 has 12 divisors (see below), whose sum is σ = 73562832. Its totient is φ = 20986920.

The previous prime is 42004861. The next prime is 42004871. The reversal of 42004868 is 86840024.

It is not an unprimeable number, because it can be changed into a prime (42004861) 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, 3983 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (6130236).

Almost surely, 2^42004868 is an apocalyptic number.

It is an amenable number.

42004868 is a deficient number, since it is larger than the sum of its proper divisors (31557964).

42004868 is a wasteful number, since it uses less digits than its factorization.

42004868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762 (or 7760 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 42004868 is about 6481.1162618796. The cubic root of 42004868 is about 347.6160935712.

The spelling of 42004868 in words is "forty-two million, four thousand, eight hundred sixty-eight".