42043244 has 24 divisors (see below), whose sum is σ = 78790320. Its totient is φ = 19559936.

The previous prime is 42043229. The next prime is 42043249. The reversal of 42043244 is 44234024.

It is not an unprimeable number, because it can be changed into a prime (42043249) 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 7 ways as a sum of consecutive naturals, for example, 2579 + ... + 9525.

It is an arithmetic number, because the mean of its divisors is an integer number (3282930).

Almost surely, 2^42043244 is an apocalyptic number.

It is an amenable number.

42043244 is a deficient number, since it is larger than the sum of its proper divisors (36747076).

42043244 is a wasteful number, since it uses less digits than its factorization.

42043244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 42043244 is about 6484.0761870910. The cubic root of 42043244 is about 347.7219230092.

Adding to 42043244 its reverse (44234024), we get a palindrome (86277268).

The spelling of 42043244 in words is "forty-two million, forty-three thousand, two hundred forty-four".