42885888 has 72 divisors (see below), whose sum is σ = 120187200. Its totient is φ = 13538304.

The previous prime is 42885881. The next prime is 42885889. The reversal of 42885888 is 88858824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42885888.

It is not an unprimeable number, because it can be changed into a prime (42885881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13123 + ... + 16061.

Almost surely, 2^42885888 is an apocalyptic number.

42885888 is a gapful number since it is divisible by the number (48) 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 42885888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60093600).

42885888 is an abundant number, since it is smaller than the sum of its proper divisors (77301312).

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

42885888 is a wasteful number, since it uses less digits than its factorization.

42885888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977 (or 2963 counting only the distinct ones).

The product of its digits is 1310720, while the sum is 51.

The square root of 42885888 is about 6548.7317856208. The cubic root of 42885888 is about 350.0296247033.

The spelling of 42885888 in words is "forty-two million, eight hundred eighty-five thousand, eight hundred eighty-eight".