42642116 has 12 divisors (see below), whose sum is σ = 81407760. Its totient is φ = 19382760.

The previous prime is 42642107. The next prime is 42642133. The reversal of 42642116 is 61124624.

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 3 ways as a sum of consecutive naturals, for example, 484526 + ... + 484613.

It is an arithmetic number, because the mean of its divisors is an integer number (6783980).

Almost surely, 2^42642116 is an apocalyptic number.

It is an amenable number.

42642116 is a deficient number, since it is larger than the sum of its proper divisors (38765644).

42642116 is a wasteful number, since it uses less digits than its factorization.

42642116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969154 (or 969152 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 42642116 is about 6530.0931080652. The cubic root of 42642116 is about 349.3651512142.

The spelling of 42642116 in words is "forty-two million, six hundred forty-two thousand, one hundred sixteen".