489684480 has 80 divisors (see below), whose sum is σ = 1565484624. Its totient is φ = 130580480.

The previous prime is 489684457. The next prime is 489684487. The reversal of 489684480 is 84486984.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489684487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24201 + ... + 39560.

Almost surely, 2^489684480 is an apocalyptic number.

489684480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489684480 is an abundant number, since it is smaller than the sum of its proper divisors (1075800144).

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

489684480 is an equidigital number, since it uses as much as digits as its factorization.

489684480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63787 (or 63771 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The square root of 489684480 is about 22128.8156031903. The cubic root of 489684480 is about 788.2042639146.

The spelling of 489684480 in words is "four hundred eighty-nine million, six hundred eighty-four thousand, four hundred eighty".