42244344 has 48 divisors (see below), whose sum is σ = 115806600. Its totient is φ = 13909824.

The previous prime is 42244333. The next prime is 42244357. The reversal of 42244344 is 44344224.

It is a happy number.

42244344 is a `hidden beast` number, since 4 + 224 + 434 + 4 = 666.

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 in 11 ways as a sum of consecutive naturals, for example, 2442 + ... + 9510.

Almost surely, 2^42244344 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 42244344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57903300).

42244344 is an abundant number, since it is smaller than the sum of its proper divisors (73562256).

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

42244344 is a wasteful number, since it uses less digits than its factorization.

42244344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164 (or 7157 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 42244344 is about 6499.5649085150. The cubic root of 42244344 is about 348.2754458163.

Adding to 42244344 its reverse (44344224), we get a palindrome (86588568).

The spelling of 42244344 in words is "forty-two million, two hundred forty-four thousand, three hundred forty-four".