42331608 has 144 divisors (see below), whose sum is σ = 130089960. Its totient is φ = 12418560.

The previous prime is 42331607. The next prime is 42331609. The reversal of 42331608 is 80613324.

It is a happy number.

42331608 is a `hidden beast` number, since 4 + 23 + 31 + 608 = 666.

It is an interprime number because it is at equal distance from previous prime (42331607) and next prime (42331609).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331603) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 374560 + ... + 374672.

Almost surely, 2^42331608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42331608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65044980).

42331608 is an abundant number, since it is smaller than the sum of its proper divisors (87758352).

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

42331608 is a wasteful number, since it uses less digits than its factorization.

42331608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 42331608 is about 6506.2745100403. The cubic root of 42331608 is about 348.5150913545.

The spelling of 42331608 in words is "forty-two million, three hundred thirty-one thousand, six hundred eight".