42642112 has 28 divisors (see below), whose sum is σ = 87351616. Its totient is φ = 20632320.

The previous prime is 42642107. The next prime is 42642133. The reversal of 42642112 is 21124624.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8763 + ... + 12730.

Almost surely, 2^42642112 is an apocalyptic number.

It is an amenable number.

42642112 is an abundant number, since it is smaller than the sum of its proper divisors (44709504).

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

42642112 is a wasteful number, since it uses less digits than its factorization.

42642112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21536 (or 21526 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 42642112 is about 6530.0928017908. The cubic root of 42642112 is about 349.3651402903.

Adding to 42642112 its reverse (21124624), we get a palindrome (63766736).

The spelling of 42642112 in words is "forty-two million, six hundred forty-two thousand, one hundred twelve".