42431044 has 12 divisors (see below), whose sum is σ = 77482944. Its totient is φ = 20293064.

The previous prime is 42431041. The next prime is 42431057. The reversal of 42431044 is 44013424.

It is not an unprimeable number, because it can be changed into a prime (42431041) 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, 230512 + ... + 230695.

It is an arithmetic number, because the mean of its divisors is an integer number (6456912).

Almost surely, 2^42431044 is an apocalyptic number.

It is an amenable number.

42431044 is a deficient number, since it is larger than the sum of its proper divisors (35051900).

42431044 is a wasteful number, since it uses less digits than its factorization.

42431044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461234 (or 461232 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 42431044 is about 6513.9115744689. The cubic root of 42431044 is about 348.7877626833.

Adding to 42431044 its reverse (44013424), we get a palindrome (86444468).

The spelling of 42431044 in words is "forty-two million, four hundred thirty-one thousand, forty-four".