42798282 has 16 divisors (see below), whose sum is σ = 90631872. Its totient is φ = 13426880.

The previous prime is 42798269. The next prime is 42798289. The reversal of 42798282 is 28289724.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42798289) 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, 209694 + ... + 209897.

It is an arithmetic number, because the mean of its divisors is an integer number (5664492).

Almost surely, 2^42798282 is an apocalyptic number.

42798282 is an abundant number, since it is smaller than the sum of its proper divisors (47833590).

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

42798282 is a wasteful number, since it uses less digits than its factorization.

42798282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419613.

The product of its digits is 129024, while the sum is 42.

The square root of 42798282 is about 6542.0395902196. The cubic root of 42798282 is about 349.7911189013.

It can be divided in two parts, 4279 and 8282, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 42798282 in words is "forty-two million, seven hundred ninety-eight thousand, two hundred eighty-two".