42325218 has 48 divisors (see below), whose sum is σ = 99380736. Its totient is φ = 12941280.

The previous prime is 42325207. The next prime is 42325249. The reversal of 42325218 is 81252324.

42325218 is a `hidden beast` number, since 423 + 25 + 218 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42325191 and 42325200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44221 + ... + 45167.

It is an arithmetic number, because the mean of its divisors is an integer number (2070432).

Almost surely, 2^42325218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42325218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49690368).

42325218 is an abundant number, since it is smaller than the sum of its proper divisors (57055518).

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

42325218 is a wasteful number, since it uses less digits than its factorization.

42325218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159 (or 1156 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42325218 is about 6505.7834270747. The cubic root of 42325218 is about 348.4975542343.

The spelling of 42325218 in words is "forty-two million, three hundred twenty-five thousand, two hundred eighteen".