499984218432 has 196 divisors, whose sum is σ = 1488467021536. Its totient is φ = 166559120640.

The previous prime is 499984218379. The next prime is 499984218449. The reversal of 499984218432 is 234812489994.

499984218432 is a `hidden beast` number, since 4 + 99 + 98 + 4 + 21 + 8 + 432 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 499984218432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 138613173 + ... + 138616779.

Almost surely, 2^499984218432 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 499984218432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744233510768).

499984218432 is an abundant number, since it is smaller than the sum of its proper divisors (988482803104).

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

499984218432 is an equidigital number, since it uses as much as digits as its factorization.

499984218432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6608 (or 6583 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 499984218432 in words is "four hundred ninety-nine billion, nine hundred eighty-four million, two hundred eighteen thousand, four hundred thirty-two".