489975480 has 144 divisors (see below), whose sum is σ = 1654468920. Its totient is φ = 130590144.

The previous prime is 489975457. The next prime is 489975487. The reversal of 489975480 is 84579984.

489975480 is a `hidden beast` number, since 4 + 8 + 9 + 97 + 548 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489975487) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 261507 + ... + 263373.

Almost surely, 2^489975480 is an apocalyptic number.

489975480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489975480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827234460).

489975480 is an abundant number, since it is smaller than the sum of its proper divisors (1164493440).

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

489975480 is an equidigital number, since it uses as much as digits as its factorization.

489975480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 489975480 is about 22135.3897639052. The cubic root of 489975480 is about 788.3603658064.

The spelling of 489975480 in words is "four hundred eighty-nine million, nine hundred seventy-five thousand, four hundred eighty".