42028104 has 32 divisors (see below), whose sum is σ = 105336000. Its totient is φ = 13973952.

The previous prime is 42028093. The next prime is 42028117. The reversal of 42028104 is 40182024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8542 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (3291750).

Almost surely, 2^42028104 is an apocalyptic number.

It is an amenable number.

42028104 is an abundant number, since it is smaller than the sum of its proper divisors (63307896).

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

42028104 is a wasteful number, since it uses less digits than its factorization.

42028104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437 (or 4433 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 42028104 is about 6482.9086064821. The cubic root of 42028104 is about 347.6801791484.

The spelling of 42028104 in words is "forty-two million, twenty-eight thousand, one hundred four".