42442382 has 16 divisors (see below), whose sum is σ = 64858752. Its totient is φ = 20826360.

The previous prime is 42442381. The next prime is 42442391. The reversal of 42442382 is 28324424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26957 + ... + 28487.

It is an arithmetic number, because the mean of its divisors is an integer number (4053672).

Almost surely, 2^42442382 is an apocalyptic number.

42442382 is a deficient number, since it is larger than the sum of its proper divisors (22416370).

42442382 is a wasteful number, since it uses less digits than its factorization.

42442382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its digits is 12288, while the sum is 29.

The square root of 42442382 is about 6514.7818075512. The cubic root of 42442382 is about 348.8188264447.

It can be divided in two parts, 42442 and 382, that added together give a palindrome (42824).

The spelling of 42442382 in words is "forty-two million, four hundred forty-two thousand, three hundred eighty-two".