42444236 has 12 divisors (see below), whose sum is σ = 74349912. Its totient is φ = 21201408.

The previous prime is 42444221. The next prime is 42444247. The reversal of 42444236 is 63244424.

42444236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42444199 and 42444208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 9213.

It is an arithmetic number, because the mean of its divisors is an integer number (6195826).

Almost surely, 2^42444236 is an apocalyptic number.

It is an amenable number.

42444236 is a deficient number, since it is larger than the sum of its proper divisors (31905676).

42444236 is a wasteful number, since it uses less digits than its factorization.

42444236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10360 (or 10358 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 42444236 is about 6514.9240977927. The cubic root of 42444236 is about 348.8239054927.

The spelling of 42444236 in words is "forty-two million, four hundred forty-four thousand, two hundred thirty-six".