499899217946688 has 336 divisors, whose sum is σ = 1661812605573120. Its totient is φ = 140723000773632.

The previous prime is 499899217946641. The next prime is 499899217946743. The reversal of 499899217946688 is 886649712998994.

499899217946688 is a `hidden beast` number, since 4 + 99 + 89 + 9 + 217 + 94 + 66 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120783643 + ... + 124853861.

It is an arithmetic number, because the mean of its divisors is an integer number (4945870849920).

Almost surely, 2^{499899217946688} is an apocalyptic number.

499899217946688 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 499899217946688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830906302786560).

499899217946688 is an abundant number, since it is smaller than the sum of its proper divisors (1161913387626432).

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

499899217946688 is a wasteful number, since it uses less digits than its factorization.

499899217946688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070694 (or 4070681 counting only the distinct ones).

The product of its digits is 243799621632, while the sum is 99.

The spelling of 499899217946688 in words is "four hundred ninety-nine trillion, eight hundred ninety-nine billion, two hundred seventeen million, nine hundred forty-six thousand, six hundred eighty-eight".