42544234 has 8 divisors (see below), whose sum is σ = 67570308. Its totient is φ = 20020800.

The previous prime is 42544219. The next prime is 42544237. The reversal of 42544234 is 43244524.

It can be written as a sum of positive squares in 2 ways, for example, as 36566209 + 5978025 = 6047^2 + 2445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42544237) 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, 625617 + ... + 625684.

Almost surely, 2^42544234 is an apocalyptic number.

42544234 is a deficient number, since it is larger than the sum of its proper divisors (25026074).

42544234 is a wasteful number, since it uses less digits than its factorization.

42544234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251320.

The product of its digits is 15360, while the sum is 28.

The square root of 42544234 is about 6522.5941158407. The cubic root of 42544234 is about 349.0976319818.

Adding to 42544234 its reverse (43244524), we get a palindrome (85788758).

It can be divided in two parts, 42544 and 234, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42544234 in words is "forty-two million, five hundred forty-four thousand, two hundred thirty-four".