42168104 has 32 divisors (see below), whose sum is σ = 86767200. Its totient is φ = 19053120.

The previous prime is 42168103. The next prime is 42168121. The reversal of 42168104 is 40186124.

It is not an unprimeable number, because it can be changed into a prime (42168103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14414 + ... + 17090.

It is an arithmetic number, because the mean of its divisors is an integer number (2711475).

Almost surely, 2^42168104 is an apocalyptic number.

42168104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42168104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43383600).

42168104 is an abundant number, since it is smaller than the sum of its proper divisors (44599096).

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

42168104 is a wasteful number, since it uses less digits than its factorization.

42168104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 42168104 is about 6493.6972519513. The cubic root of 42168104 is about 348.0658042646.

The spelling of 42168104 in words is "forty-two million, one hundred sixty-eight thousand, one hundred four".