499369499520 has 256 divisors, whose sum is σ = 1638152640000. Its totient is φ = 129297309696.

The previous prime is 499369499513. The next prime is 499369499561. The reversal of 499369499520 is 25994963994.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35441917 + ... + 35456003.

It is an arithmetic number, because the mean of its divisors is an integer number (6399033750).

Almost surely, 2^499369499520 is an apocalyptic number.

499369499520 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 499369499520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819076320000).

499369499520 is an abundant number, since it is smaller than the sum of its proper divisors (1138783140480).

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

499369499520 is a wasteful number, since it uses less digits than its factorization.

499369499520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645 (or 14633 counting only the distinct ones).

The product of its (nonzero) digits is 170061120, while the sum is 69.

The spelling of 499369499520 in words is "four hundred ninety-nine billion, three hundred sixty-nine million, four hundred ninety-nine thousand, five hundred twenty".