42444112 has 10 divisors (see below), whose sum is σ = 82235498. Its totient is φ = 21222048.

The previous prime is 42444097. The next prime is 42444133. The reversal of 42444112 is 21144424.

It can be written as a sum of positive squares in only one way, i.e., 31315216 + 11128896 = 5596^2 + 3336^2 .

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1326363 + ... + 1326394.

Almost surely, 2^42444112 is an apocalyptic number.

It is an amenable number.

42444112 is a deficient number, since it is larger than the sum of its proper divisors (39791386).

42444112 is a wasteful number, since it uses less digits than its factorization.

42444112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652765 (or 2652759 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 42444112 is about 6514.9145811745. The cubic root of 42444112 is about 348.8235657983.

Adding to 42444112 its reverse (21144424), we get a palindrome (63588536).

The spelling of 42444112 in words is "forty-two million, four hundred forty-four thousand, one hundred twelve".