42168088 has 16 divisors (see below), whose sum is σ = 81792000. Its totient is φ = 20356896.

The previous prime is 42168073. The next prime is 42168089. The reversal of 42168088 is 88086124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42168089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90648 + ... + 91111.

It is an arithmetic number, because the mean of its divisors is an integer number (5112000).

Almost surely, 2^42168088 is an apocalyptic number.

It is an amenable number.

42168088 is a deficient number, since it is larger than the sum of its proper divisors (39623912).

42168088 is a wasteful number, since it uses less digits than its factorization.

42168088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181794 (or 181790 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 42168088 is about 6493.6960199874. The cubic root of 42168088 is about 348.0657602420.

The spelling of 42168088 in words is "forty-two million, one hundred sixty-eight thousand, eighty-eight".