499647416544 has 144 divisors (see below), whose sum is σ = 1473867066672. Its totient is φ = 166507342848.

The previous prime is 499647416533. The next prime is 499647416557. The reversal of 499647416544 is 445614746994.

499647416544 is a `hidden beast` number, since 4 + 9 + 9 + 6 + 4 + 74 + 16 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 55928302 + ... + 55937234.

It is an arithmetic number, because the mean of its divisors is an integer number (10235187963).

Almost surely, 2^499647416544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499647416544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736933533336).

499647416544 is an abundant number, since it is smaller than the sum of its proper divisors (974219650128).

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

499647416544 is an equidigital number, since it uses as much as digits as its factorization.

499647416544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16151 (or 16131 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 499647416544 in words is "four hundred ninety-nine billion, six hundred forty-seven million, four hundred sixteen thousand, five hundred forty-four".