489004160 has 64 divisors (see below), whose sum is σ = 1181227320. Its totient is φ = 193560576.

The previous prime is 489004111. The next prime is 489004169. The reversal of 489004160 is 61400984.

It can be written as a sum of positive squares in 4 ways, for example, as 295014976 + 193989184 = 17176^2 + 13928^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489004169) 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, 58142 + ... + 66018.

Almost surely, 2^489004160 is an apocalyptic number.

489004160 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 489004160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590613660).

489004160 is an abundant number, since it is smaller than the sum of its proper divisors (692223160).

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

489004160 is an equidigital number, since it uses as much as digits as its factorization.

489004160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993 (or 7981 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 489004160 is about 22113.4384481473. The cubic root of 489004160 is about 787.8390766238.

The spelling of 489004160 in words is "four hundred eighty-nine million, four thousand, one hundred sixty".