42844912 has 20 divisors (see below), whose sum is σ = 90558936. Its totient is φ = 19474880.

The previous prime is 42844909. The next prime is 42844937. The reversal of 42844912 is 21944824.

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, 121543 + ... + 121894.

Almost surely, 2^42844912 is an apocalyptic number.

It is an amenable number.

42844912 is an abundant number, since it is smaller than the sum of its proper divisors (47714024).

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

42844912 is a wasteful number, since it uses less digits than its factorization.

42844912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243456 (or 243450 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 42844912 is about 6545.6024932775. The cubic root of 42844912 is about 349.9181087321.

The spelling of 42844912 in words is "forty-two million, eight hundred forty-four thousand, nine hundred twelve".