42183488 has 28 divisors (see below), whose sum is σ = 84863940. Its totient is φ = 20800512.

The previous prime is 42183481. The next prime is 42183497. The reversal of 42183488 is 88438124.

It can be written as a sum of positive squares in 2 ways, for example, as 36385024 + 5798464 = 6032^2 + 2408^2 .

It is a super-2 number, since 2×42183488² = 3558893319692288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42183481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (3030855).

Almost surely, 2^42183488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42183488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42431970).

42183488 is an abundant number, since it is smaller than the sum of its proper divisors (42680452).

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

42183488 is an equidigital number, since it uses as much as digits as its factorization.

42183488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114 (or 9104 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 42183488 is about 6494.8816771362. The cubic root of 42183488 is about 348.1081268796.

The spelling of 42183488 in words is "forty-two million, one hundred eighty-three thousand, four hundred eighty-eight".