42044847 has 16 divisors (see below), whose sum is σ = 61514208. Its totient is φ = 25384320.

The previous prime is 42044833. The next prime is 42044869. The reversal of 42044847 is 74844024.

42044847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42044847 - 2¹² = 42040751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044887) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8104 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (3844638).

Almost surely, 2^42044847 is an apocalyptic number.

42044847 is a deficient number, since it is larger than the sum of its proper divisors (19469361).

42044847 is a wasteful number, since it uses less digits than its factorization.

42044847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20410.

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 42044847 is about 6484.1997964282. The cubic root of 42044847 is about 347.7263421985.

The spelling of 42044847 in words is "forty-two million, forty-four thousand, eight hundred forty-seven".