42798868 has 24 divisors (see below), whose sum is σ = 90104000. Its totient is φ = 17376768.

The previous prime is 42798859. The next prime is 42798893. The reversal of 42798868 is 86889724.

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 in 7 ways as a sum of consecutive naturals, for example, 39693 + ... + 40756.

Almost surely, 2^42798868 is an apocalyptic number.

It is an amenable number.

42798868 is an abundant number, since it is smaller than the sum of its proper divisors (47305132).

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

42798868 is a wasteful number, since it uses less digits than its factorization.

42798868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80479 (or 80477 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 42798868 is about 6542.0843773220. The cubic root of 42798868 is about 349.7927153568.

The spelling of 42798868 in words is "forty-two million, seven hundred ninety-eight thousand, eight hundred sixty-eight".