42426112 has 36 divisors (see below), whose sum is σ = 85561840. Its totient is φ = 20994048.

The previous prime is 42426091. The next prime is 42426119. The reversal of 42426112 is 21162424.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42426119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25564 + ... + 27172.

Almost surely, 2^42426112 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 42426112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42780920).

42426112 is an abundant number, since it is smaller than the sum of its proper divisors (43135728).

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

42426112 is a wasteful number, since it uses less digits than its factorization.

42426112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 1714 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 42426112 is about 6513.5329890928. The cubic root of 42426112 is about 348.7742483022.

Adding to 42426112 its reverse (21162424), we get a palindrome (63588536).

The spelling of 42426112 in words is "forty-two million, four hundred twenty-six thousand, one hundred twelve".