489995450448 has 60 divisors (see below), whose sum is σ = 1472486335200. Its totient is φ = 139998699456.

The previous prime is 489995450423. The next prime is 489995450467. The reversal of 489995450448 is 844054599984.

It is a congruent number.

It is an unprimeable number.

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, 104163348 + ... + 104168051.

It is an arithmetic number, because the mean of its divisors is an integer number (24541438920).

Almost surely, 2^489995450448 is an apocalyptic number.

489995450448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

489995450448 is an abundant number, since it is smaller than the sum of its proper divisors (982490884752).

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

489995450448 is a wasteful number, since it uses less digits than its factorization.

489995450448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208331424 (or 208331411 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 69.

The spelling of 489995450448 in words is "four hundred eighty-nine billion, nine hundred ninety-five million, four hundred fifty thousand, four hundred forty-eight".