42885756 has 36 divisors (see below), whose sum is σ = 108612504. Its totient is φ = 14268000.

The previous prime is 42885721. The next prime is 42885757. The reversal of 42885756 is 65758824.

42885756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42885757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28831 + ... + 30281.

It is an arithmetic number, because the mean of its divisors is an integer number (3017014).

Almost surely, 2^42885756 is an apocalyptic number.

It is an amenable number.

42885756 is an abundant number, since it is smaller than the sum of its proper divisors (65726748).

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

42885756 is a wasteful number, since it uses less digits than its factorization.

42885756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2277 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 42885756 is about 6548.7217073258. The cubic root of 42885756 is about 350.0292655801.

The spelling of 42885756 in words is "forty-two million, eight hundred eighty-five thousand, seven hundred fifty-six".