42518112 has 192 divisors, whose sum is σ = 142700544. Its totient is φ = 10782720.

The previous prime is 42518111. The next prime is 42518123. The reversal of 42518112 is 21181524.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42518111) 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, 270738 + ... + 270894.

It is an arithmetic number, because the mean of its divisors is an integer number (743232).

Almost surely, 2^42518112 is an apocalyptic number.

42518112 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 42518112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71350272).

42518112 is an abundant number, since it is smaller than the sum of its proper divisors (100182432).

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

42518112 is a wasteful number, since it uses less digits than its factorization.

42518112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 213 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 42518112 is about 6520.5913842228. The cubic root of 42518112 is about 349.0261691419.

Adding to 42518112 its reverse (21181524), we get a palindrome (63699636).

The spelling of 42518112 in words is "forty-two million, five hundred eighteen thousand, one hundred twelve".