42885612 has 168 divisors, whose sum is σ = 141023232. Its totient is φ = 11080800.

The previous prime is 42885589. The next prime is 42885613. The reversal of 42885612 is 21658824.

42885612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42885612² = 3678351433229088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42885613) 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 55 ways as a sum of consecutive naturals, for example, 224437 + ... + 224627.

It is an arithmetic number, because the mean of its divisors is an integer number (839424).

Almost surely, 2^42885612 is an apocalyptic number.

42885612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42885612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70511616).

42885612 is an abundant number, since it is smaller than the sum of its proper divisors (98137620).

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

42885612 is a wasteful number, since it uses less digits than its factorization.

42885612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 214 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 42885612 is about 6548.7107128045. The cubic root of 42885612 is about 350.0288738084.

The spelling of 42885612 in words is "forty-two million, eight hundred eighty-five thousand, six hundred twelve".