42110642 has 16 divisors (see below), whose sum is σ = 72316800. Its totient is φ = 18015648.

The previous prime is 42110633. The next prime is 42110671. The reversal of 42110642 is 24601124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6734 + ... + 11382.

It is an arithmetic number, because the mean of its divisors is an integer number (4519800).

Almost surely, 2^42110642 is an apocalyptic number.

42110642 is a deficient number, since it is larger than the sum of its proper divisors (30206158).

42110642 is a wasteful number, since it uses less digits than its factorization.

42110642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 42110642 is about 6489.2712996145. The cubic root of 42110642 is about 347.9076306130.

Adding to 42110642 its reverse (24601124), we get a palindrome (66711766).

The spelling of 42110642 in words is "forty-two million, one hundred ten thousand, six hundred forty-two".