489654080 has 42 divisors (see below), whose sum is σ = 1166932134. Its totient is φ = 195703296.

The previous prime is 489654047. The next prime is 489654097. The reversal of 489654080 is 80456984.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 151388416 + 338265664 = 12304^2 + 18392^2 .

It is a super-2 number, since 2×489654080² = 479522236121292800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395222 + ... + 396458.

Almost surely, 2^489654080 is an apocalyptic number.

489654080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489654080 is an abundant number, since it is smaller than the sum of its proper divisors (677278054).

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

489654080 is an frugal number, since it uses more digits than its factorization.

489654080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 489654080 is about 22128.1287053379. The cubic root of 489654080 is about 788.1879527956.

The spelling of 489654080 in words is "four hundred eighty-nine million, six hundred fifty-four thousand, eighty".