42444552 has 16 divisors (see below), whose sum is σ = 106111440. Its totient is φ = 14148176.

The previous prime is 42444551. The next prime is 42444557. The reversal of 42444552 is 25544424.

It is not an unprimeable number, because it can be changed into a prime (42444551) 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, 884238 + ... + 884285.

It is an arithmetic number, because the mean of its divisors is an integer number (6631965).

Almost surely, 2^42444552 is an apocalyptic number.

It is an amenable number.

42444552 is an abundant number, since it is smaller than the sum of its proper divisors (63666888).

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

42444552 is a wasteful number, since it uses less digits than its factorization.

42444552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768532 (or 1768528 counting only the distinct ones).

The product of its digits is 25600, while the sum is 30.

The square root of 42444552 is about 6514.9483497569. The cubic root of 42444552 is about 348.8247711625.

Adding to 42444552 its reverse (25544424), we get a palindrome (67988976).

The spelling of 42444552 in words is "forty-two million, four hundred forty-four thousand, five hundred fifty-two".