42325866 has 48 divisors (see below), whose sum is σ = 100571328. Its totient is φ = 12758400.

The previous prime is 42325861. The next prime is 42325919. The reversal of 42325866 is 66852324.

42325866 is a `hidden beast` number, since 42 + 32 + 586 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 42325866.

It is not an unprimeable number, because it can be changed into a prime (42325861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47275 + ... + 48161.

It is an arithmetic number, because the mean of its divisors is an integer number (2095236).

Almost surely, 2^42325866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42325866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50285664).

42325866 is an abundant number, since it is smaller than the sum of its proper divisors (58245462).

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

42325866 is a wasteful number, since it uses less digits than its factorization.

42325866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1144 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 42325866 is about 6505.8332287264. The cubic root of 42325866 is about 348.4993327269.

It can be divided in two parts, 423258 and 66, that added together give a palindrome (423324).

The spelling of 42325866 in words is "forty-two million, three hundred twenty-five thousand, eight hundred sixty-six".