42028242 has 16 divisors (see below), whose sum is σ = 84145152. Its totient is φ = 13994640.

The previous prime is 42028241. The next prime is 42028271. The reversal of 42028242 is 24282024.

It is a super-2 number, since 2×42028242² = 3532746251221128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42028241) 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, 3567 + ... + 9837.

It is an arithmetic number, because the mean of its divisors is an integer number (5259072).

Almost surely, 2^42028242 is an apocalyptic number.

42028242 is an abundant number, since it is smaller than the sum of its proper divisors (42116910).

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

42028242 is a wasteful number, since it uses less digits than its factorization.

42028242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7393.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 42028242 is about 6482.9192498442. The cubic root of 42028242 is about 347.6805596860.

The spelling of 42028242 in words is "forty-two million, twenty-eight thousand, two hundred forty-two".