42449283 has 12 divisors (see below), whose sum is σ = 63981840. Its totient is φ = 27068976.

The previous prime is 42449279. The next prime is 42449291. The reversal of 42449283 is 38294424.

42449283 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 42449283 - 2² = 42449279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42449233) 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 11 ways as a sum of consecutive naturals, for example, 102328 + ... + 102741.

It is an arithmetic number, because the mean of its divisors is an integer number (5331820).

Almost surely, 2^42449283 is an apocalyptic number.

42449283 is a deficient number, since it is larger than the sum of its proper divisors (21532557).

42449283 is a wasteful number, since it uses less digits than its factorization.

42449283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205098 (or 205095 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 42449283 is about 6515.3114277063. The cubic root of 42449283 is about 348.8377310408.

The spelling of 42449283 in words is "forty-two million, four hundred forty-nine thousand, two hundred eighty-three".