499817682 has 128 divisors (see below), whose sum is σ = 1404480000. Its totient is φ = 128210688.

The previous prime is 499817677. The next prime is 499817683. The reversal of 499817682 is 286718994.

499817682 is a `hidden beast` number, since 499 + 8 + 1 + 76 + 82 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (499817683) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180444 + ... + 183192.

It is an arithmetic number, because the mean of its divisors is an integer number (10972500).

Almost surely, 2^499817682 is an apocalyptic number.

499817682 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 499817682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702240000).

499817682 is an abundant number, since it is smaller than the sum of its proper divisors (904662318).

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

499817682 is a wasteful number, since it uses less digits than its factorization.

499817682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2811 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 499817682 is about 22356.6026488821. The cubic root of 499817682 is about 793.6040436612.

The spelling of 499817682 in words is "four hundred ninety-nine million, eight hundred seventeen thousand, six hundred eighty-two".