42002044 has 12 divisors (see below), whose sum is σ = 84004144. Its totient is φ = 18000864.

The previous prime is 42002033. The next prime is 42002113. The reversal of 42002044 is 44020024.

42002044 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750009 + ... + 750064.

Almost surely, 2^42002044 is an apocalyptic number.

It is an amenable number.

42002044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42002044 is a wasteful number, since it uses less digits than its factorization.

42002044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500084 (or 1500082 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 42002044 is about 6480.8983945129. The cubic root of 42002044 is about 347.6083032848.

Adding to 42002044 its reverse (44020024), we get a palindrome (86022068).

The spelling of 42002044 in words is "forty-two million, two thousand, forty-four", and thus it is an eban number.