486688500 has 240 divisors, whose sum is σ = 1622052432. Its totient is φ = 127008000.

The previous prime is 486688483. The next prime is 486688549. The reversal of 486688500 is 5886684.

486688500 is a `hidden beast` number, since 4 + 8 + 66 + 88 + 500 = 666.

486688500 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 8 ways, for example, as 148937616 + 337750884 = 12204^2 + 18378^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2470402 + ... + 2470598.

Almost surely, 2^486688500 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 486688500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811026216).

486688500 is an abundant number, since it is smaller than the sum of its proper divisors (1135363932).

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

486688500 is a wasteful number, since it uses less digits than its factorization.

486688500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 486688500 is about 22061.0176555843. The cubic root of 486688500 is about 786.5935147753.

The spelling of 486688500 in words is "four hundred eighty-six million, six hundred eighty-eight thousand, five hundred".