42000542 has 8 divisors (see below), whose sum is σ = 63318000. Its totient is φ = 20894544.

The previous prime is 42000529. The next prime is 42000559. The reversal of 42000542 is 24500024.

It is a sphenic number, since it is the product of 3 distinct primes.

42000542 is a modest number, since divided by 542 gives 420 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 42000542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52367 + ... + 53162.

It is an arithmetic number, because the mean of its divisors is an integer number (7914750).

Almost surely, 2^42000542 is an apocalyptic number.

42000542 is a deficient number, since it is larger than the sum of its proper divisors (21317458).

42000542 is a wasteful number, since it uses less digits than its factorization.

42000542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105730.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 42000542 is about 6480.7825144808. The cubic root of 42000542 is about 347.6041597254.

Adding to 42000542 its reverse (24500024), we get a palindrome (66500566).

The spelling of 42000542 in words is "forty-two million, five hundred forty-two", and thus it is an aban number.