499830477408 has 192 divisors, whose sum is σ = 1549766131200. Its totient is φ = 156277900800.

The previous prime is 499830477407. The next prime is 499830477431. The reversal of 499830477408 is 804774038994.

499830477408 is a `hidden beast` number, since 4 + 9 + 98 + 30 + 477 + 40 + 8 = 666.

It is a super-2 number, since 2×499830477408² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499830477407) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1507285 + ... + 1808747.

It is an arithmetic number, because the mean of its divisors is an integer number (8071698600).

Almost surely, 2^499830477408 is an apocalyptic number.

499830477408 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 499830477408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774883065600).

499830477408 is an abundant number, since it is smaller than the sum of its proper divisors (1049935653792).

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

499830477408 is a wasteful number, since it uses less digits than its factorization.

499830477408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301602 (or 301588 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 499830477408 in words is "four hundred ninety-nine billion, eight hundred thirty million, four hundred seventy-seven thousand, four hundred eight".