42844992 has 28 divisors (see below), whose sum is σ = 113361216. Its totient is φ = 14281600.

The previous prime is 42844973. The next prime is 42844993. The reversal of 42844992 is 29944824.

It is a super-3 number, since 3×42844992³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42844993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111384 + ... + 111767.

Almost surely, 2^42844992 is an apocalyptic number.

It is an amenable number.

42844992 is an abundant number, since it is smaller than the sum of its proper divisors (70516224).

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

42844992 is a wasteful number, since it uses less digits than its factorization.

42844992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223166 (or 223156 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 42844992 is about 6545.6086042476. The cubic root of 42844992 is about 349.9183265210.

The spelling of 42844992 in words is "forty-two million, eight hundred forty-four thousand, nine hundred ninety-two".