42135850 has 24 divisors (see below), whose sum is σ = 78744960. Its totient is φ = 16774320.

The previous prime is 42135833. The next prime is 42135871. The reversal of 42135850 is 5853124.

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 11 ways as a sum of consecutive naturals, for example, 9261 + ... + 13039.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 2^42135850 is an apocalyptic number.

42135850 is a deficient number, since it is larger than the sum of its proper divisors (36609110).

42135850 is a wasteful number, since it uses less digits than its factorization.

42135850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 42135850 is about 6491.2132918277. The cubic root of 42135850 is about 347.9770375037.

Adding to 42135850 its reverse (5853124), we get a palindrome (47988974).

The spelling of 42135850 in words is "forty-two million, one hundred thirty-five thousand, eight hundred fifty".