42127856 has 20 divisors (see below), whose sum is σ = 82658400. Its totient is φ = 20796672.

The previous prime is 42127843. The next prime is 42127861. The reversal of 42127856 is 65872124.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 15401 + ... + 17928.

It is an arithmetic number, because the mean of its divisors is an integer number (4132920).

Almost surely, 2^42127856 is an apocalyptic number.

It is an amenable number.

42127856 is a deficient number, since it is larger than the sum of its proper divisors (40530544).

42127856 is a wasteful number, since it uses less digits than its factorization.

42127856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33416 (or 33410 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 42127856 is about 6490.5975071637. The cubic root of 42127856 is about 347.9550300811.

The spelling of 42127856 in words is "forty-two million, one hundred twenty-seven thousand, eight hundred fifty-six".