42858288 has 160 divisors (see below), whose sum is σ = 139276800. Its totient is φ = 12499200.

The previous prime is 42858203. The next prime is 42858289. The reversal of 42858288 is 88285824.

It is not an unprimeable number, because it can be changed into a prime (42858289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137653 + ... + 137963.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^42858288 is an apocalyptic number.

42858288 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 42858288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69638400).

42858288 is an abundant number, since it is smaller than the sum of its proper divisors (96418512).

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

42858288 is a wasteful number, since it uses less digits than its factorization.

42858288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 356 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 42858288 is about 6546.6241682259. The cubic root of 42858288 is about 349.9545192603.

The spelling of 42858288 in words is "forty-two million, eight hundred fifty-eight thousand, two hundred eighty-eight".