42484855 has 32 divisors (see below), whose sum is σ = 63475200. Its totient is φ = 26635392.

The previous prime is 42484847. The next prime is 42484861. The reversal of 42484855 is 55848424.

It is a happy number.

It is not a de Polignac number, because 42484855 - 2³ = 42484847 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18184 + ... + 20386.

It is an arithmetic number, because the mean of its divisors is an integer number (1983600).

Almost surely, 2^42484855 is an apocalyptic number.

42484855 is a deficient number, since it is larger than the sum of its proper divisors (20990345).

42484855 is a wasteful number, since it uses less digits than its factorization.

42484855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263.

The product of its digits is 204800, while the sum is 40.

The square root of 42484855 is about 6518.0407332265. The cubic root of 42484855 is about 348.9351444743.

The spelling of 42484855 in words is "forty-two million, four hundred eighty-four thousand, eight hundred fifty-five".