42544312 has 8 divisors (see below), whose sum is σ = 79770600. Its totient is φ = 21272152.

The previous prime is 42544309. The next prime is 42544343. The reversal of 42544312 is 21344524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

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, 2659012 + ... + 2659027.

It is an arithmetic number, because the mean of its divisors is an integer number (9971325).

Almost surely, 2^42544312 is an apocalyptic number.

It is an amenable number.

42544312 is a deficient number, since it is larger than the sum of its proper divisors (37226288).

42544312 is a wasteful number, since it uses less digits than its factorization.

42544312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318045 (or 5318041 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 42544312 is about 6522.6000950541. The cubic root of 42544312 is about 349.0978453253.

Adding to 42544312 its reverse (21344524), we get a palindrome (63888836).

The spelling of 42544312 in words is "forty-two million, five hundred forty-four thousand, three hundred twelve".