489164544 has 108 divisors (see below), whose sum is σ = 1538678232. Its totient is φ = 148224000.

The previous prime is 489164527. The next prime is 489164569. The reversal of 489164544 is 445461984.

489164544 is a `hidden beast` number, since 48 + 9 + 1 + 64 + 544 = 666.

It is a super-2 number, since 2×489164544² = 478563902213455872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 489164544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15694 + ... + 34994.

Almost surely, 2^489164544 is an apocalyptic number.

489164544 is a gapful number since it is divisible by the number (44) 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 489164544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769339116).

489164544 is an abundant number, since it is smaller than the sum of its proper divisors (1049513688).

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

489164544 is a wasteful number, since it uses less digits than its factorization.

489164544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19334 (or 19317 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 489164544 is about 22117.0645430175. The cubic root of 489164544 is about 787.9251992523.

The spelling of 489164544 in words is "four hundred eighty-nine million, one hundred sixty-four thousand, five hundred forty-four".