42657168 has 20 divisors (see below), whose sum is σ = 110197808. Its totient is φ = 14219040.

The previous prime is 42657163. The next prime is 42657187. The reversal of 42657168 is 86175624.

It is not an unprimeable number, because it can be changed into a prime (42657163) by changing a digit.

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, 444298 + ... + 444393.

Almost surely, 2^42657168 is an apocalyptic number.

42657168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42657168 is an abundant number, since it is smaller than the sum of its proper divisors (67540640).

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

42657168 is a wasteful number, since it uses less digits than its factorization.

42657168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888702 (or 888696 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 42657168 is about 6531.2455167449. The cubic root of 42657168 is about 349.4062531899.

The spelling of 42657168 in words is "forty-two million, six hundred fifty-seven thousand, one hundred sixty-eight".