489775572 has 270 divisors, whose sum is σ = 1566074202. Its totient is φ = 132580800.

The previous prime is 489775571. The next prime is 489775591. The reversal of 489775572 is 275577984.

It is a happy number.

489775572 is a `hidden beast` number, since 4 + 89 + 7 + 7 + 557 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 339075396 + 150700176 = 18414^2 + 12276^2 .

It is a super-2 number, since 2×489775572² = 479760221855854368, which contains 22 as substring.

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

Its product of digits (4939200) is a multiple of the sum of its prime divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489775571) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 15799197 + ... + 15799227.

Almost surely, 2^489775572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489775572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783037101).

489775572 is an abundant number, since it is smaller than the sum of its proper divisors (1076298630).

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

489775572 is a wasteful number, since it uses less digits than its factorization.

489775572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 60 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 54.

The square root of 489775572 is about 22130.8737287980. The cubic root of 489775572 is about 788.2531352825.

The spelling of 489775572 in words is "four hundred eighty-nine million, seven hundred seventy-five thousand, five hundred seventy-two".