42868244 has 24 divisors (see below), whose sum is σ = 76392960. Its totient is φ = 21045024.

The previous prime is 42868229. The next prime is 42868249. The reversal of 42868244 is 44286824.

It is a junction number, because it is equal to n+sod(n) for n = 42868198 and 42868207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42868249) by changing a digit.

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, 92357 + ... + 92819.

It is an arithmetic number, because the mean of its divisors is an integer number (3183040).

Almost surely, 2^42868244 is an apocalyptic number.

It is an amenable number.

42868244 is a deficient number, since it is larger than the sum of its proper divisors (33524716).

42868244 is a wasteful number, since it uses less digits than its factorization.

42868244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 837 counting only the distinct ones).

The product of its digits is 98304, while the sum is 38.

The square root of 42868244 is about 6547.3845159728. The cubic root of 42868244 is about 349.9816153608.

The spelling of 42868244 in words is "forty-two million, eight hundred sixty-eight thousand, two hundred forty-four".