42130566 has 12 divisors (see below), whose sum is σ = 91282932. Its totient is φ = 14043516.

The previous prime is 42130559. The next prime is 42130577. The reversal of 42130566 is 66503124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1170276 + ... + 1170311.

It is an arithmetic number, because the mean of its divisors is an integer number (7606911).

Almost surely, 2^42130566 is an apocalyptic number.

42130566 is an abundant number, since it is smaller than the sum of its proper divisors (49152366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42130566 is a wasteful number, since it uses less digits than its factorization.

42130566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340595 (or 2340592 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42130566 is about 6490.8062673292. The cubic root of 42130566 is about 347.9624910028.

The spelling of 42130566 in words is "forty-two million, one hundred thirty thousand, five hundred sixty-six".