42023442 has 16 divisors (see below), whose sum is σ = 86097312. Its totient is φ = 13666080.

The previous prime is 42023441. The next prime is 42023447. The reversal of 42023442 is 24432024.

It is not an unprimeable number, because it can be changed into a prime (42023441) 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, 85168 + ... + 85659.

It is an arithmetic number, because the mean of its divisors is an integer number (5381082).

Almost surely, 2^42023442 is an apocalyptic number.

42023442 is an abundant number, since it is smaller than the sum of its proper divisors (44073870).

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

42023442 is a wasteful number, since it uses less digits than its factorization.

42023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170873.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42023442 is about 6482.5490356803. The cubic root of 42023442 is about 347.6673231087.

Adding to 42023442 its reverse (24432024), we get a palindrome (66455466).

The spelling of 42023442 in words is "forty-two million, twenty-three thousand, four hundred forty-two".