489547442 has 16 divisors (see below), whose sum is σ = 742741272. Its totient is φ = 241983360.

The previous prime is 489547427. The next prime is 489547447. The reversal of 489547442 is 244745984.

It can be written as a sum of positive squares in 4 ways, for example, as 207676921 + 281870521 = 14411^2 + 16789^2 .

It is not an unprimeable number, because it can be changed into a prime (489547447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58718 + ... + 66534.

Almost surely, 2^489547442 is an apocalyptic number.

489547442 is a deficient number, since it is larger than the sum of its proper divisors (253193830).

489547442 is a wasteful number, since it uses less digits than its factorization.

489547442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173.

The product of its digits is 1290240, while the sum is 47.

The square root of 489547442 is about 22125.7190165653. The cubic root of 489547442 is about 788.1307308419.

The spelling of 489547442 in words is "four hundred eighty-nine million, five hundred forty-seven thousand, four hundred forty-two".