499984358400 has 924 divisors, whose sum is σ = 1888770699232. Its totient is φ = 131144417280.

The previous prime is 499984358383. The next prime is 499984358411. The reversal of 499984358400 is 4853489994.

499984358400 is a `hidden beast` number, since 4 + 9 + 9 + 9 + 8 + 43 + 584 + 0 + 0 = 666.

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 83 ways as a sum of consecutive naturals, for example, 1362355017 + ... + 1362355383.

Almost surely, 2^499984358400 is an apocalyptic number.

499984358400 is a gapful number since it is divisible by the number (40) 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 499984358400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944385349616).

499984358400 is an abundant number, since it is smaller than the sum of its proper divisors (1388786340832).

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

499984358400 is an equidigital number, since it uses as much as digits as its factorization.

499984358400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 499984358400 in words is "four hundred ninety-nine billion, nine hundred eighty-four million, three hundred fifty-eight thousand, four hundred".