449789538 has 32 divisors (see below), whose sum is σ = 1007887680. Its totient is φ = 132615360.

The previous prime is 449789513. The next prime is 449789563. The reversal of 449789538 is 835987944.

It is an interprime number because it is at equal distance from previous prime (449789513) and next prime (449789563).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 89653 + ... + 94536.

It is an arithmetic number, because the mean of its divisors is an integer number (31496490).

Almost surely, 2^449789538 is an apocalyptic number.

449789538 is an abundant number, since it is smaller than the sum of its proper divisors (558098142).

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

449789538 is a wasteful number, since it uses less digits than its factorization.

449789538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184242.

The product of its digits is 8709120, while the sum is 57.

The square root of 449789538 is about 21208.2422185338. The cubic root of 449789538 is about 766.1899478266.

It can be divided in two parts, 449 and 789538, that added together give a palindrome (789987).

The spelling of 449789538 in words is "four hundred forty-nine million, seven hundred eighty-nine thousand, five hundred thirty-eight".