42027042 has 16 divisors (see below), whose sum is σ = 86326272. Its totient is φ = 13630320.

The previous prime is 42027019. The next prime is 42027059. The reversal of 42027042 is 24072024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94434 + ... + 94877.

It is an arithmetic number, because the mean of its divisors is an integer number (5395392).

Almost surely, 2^42027042 is an apocalyptic number.

42027042 is an abundant number, since it is smaller than the sum of its proper divisors (44299230).

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

42027042 is a wasteful number, since it uses less digits than its factorization.

42027042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189353.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 42027042 is about 6482.8266982852. The cubic root of 42027042 is about 347.6772506361.

Adding to 42027042 its reverse (24072024), we get a palindrome (66099066).

The spelling of 42027042 in words is "forty-two million, twenty-seven thousand, forty-two".