42017044 has 24 divisors (see below), whose sum is σ = 77995008. Its totient is φ = 19763040.

The previous prime is 42017039. The next prime is 42017069. The reversal of 42017044 is 44071024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869 + ... + 9355.

It is an arithmetic number, because the mean of its divisors is an integer number (3249792).

Almost surely, 2^42017044 is an apocalyptic number.

It is an amenable number.

42017044 is a deficient number, since it is larger than the sum of its proper divisors (35977964).

42017044 is a wasteful number, since it uses less digits than its factorization.

42017044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575 (or 7573 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 42017044 is about 6482.0555381761. The cubic root of 42017044 is about 347.6496782869.

Adding to 42017044 its reverse (44071024), we get a palindrome (86088068).

The spelling of 42017044 in words is "forty-two million, seventeen thousand, forty-four".