499984128 has 216 divisors, whose sum is σ = 1705922400. Its totient is φ = 137797632.

The previous prime is 499984061. The next prime is 499984171. The reversal of 499984128 is 821489994.

499984128 is a `hidden beast` number, since 499 + 98 + 41 + 28 = 666.

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

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 23 ways as a sum of consecutive naturals, for example, 467178 + ... + 468246.

Almost surely, 2^499984128 is an apocalyptic number.

499984128 is a gapful number since it is divisible by the number (48) 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 499984128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852961200).

499984128 is an abundant number, since it is smaller than the sum of its proper divisors (1205938272).

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

499984128 is a wasteful number, since it uses less digits than its factorization.

499984128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1110 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 499984128 is about 22360.3248634719. The cubic root of 499984128 is about 793.6921274854.

The spelling of 499984128 in words is "four hundred ninety-nine million, nine hundred eighty-four thousand, one hundred twenty-eight".