42644112 has 60 divisors (see below), whose sum is σ = 128156976. Its totient is φ = 12183360.

The previous prime is 42644111. The next prime is 42644137. The reversal of 42644112 is 21144624.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42644111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6714 + ... + 11417.

Almost surely, 2^42644112 is an apocalyptic number.

42644112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42644112 is an abundant number, since it is smaller than the sum of its proper divisors (85512864).

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

42644112 is a wasteful number, since it uses less digits than its factorization.

42644112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18156 (or 18143 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 42644112 is about 6530.2459371757. The cubic root of 42644112 is about 349.3706021786.

Adding to 42644112 its reverse (21144624), we get a palindrome (63788736).

The spelling of 42644112 in words is "forty-two million, six hundred forty-four thousand, one hundred twelve".