499842361589760 has 1600 divisors, whose sum is σ = 2090130419520000. Its totient is φ = 114233035456512.

The previous prime is 499842361589759. The next prime is 499842361589777. The reversal of 499842361589760 is 67985163248994.

It is a happy number.

499842361589760 is a `hidden beast` number, since 4 + 9 + 9 + 8 + 4 + 23 + 6 + 1 + 589 + 7 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 499842361589760.

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 79 ways as a sum of consecutive naturals, for example, 72831464089 + ... + 72831470951.

It is an arithmetic number, because the mean of its divisors is an integer number (1306331512200).

It is a 2-persistent number, because it is pandigital, and so is 2⋅499842361589760 = 999684723179520, but 3⋅499842361589760 = 1499527084769280 is not.

Almost surely, 2^{499842361589760} is an apocalyptic number.

499842361589760 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 499842361589760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045065209760000).

499842361589760 is an abundant number, since it is smaller than the sum of its proper divisors (1590288057930240).

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

499842361589760 is an frugal number, since it uses more digits than its factorization.

499842361589760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939 (or 6880 counting only the distinct ones).

The product of its (nonzero) digits is 5643509760, while the sum is 81.

The spelling of 499842361589760 in words is "four hundred ninety-nine trillion, eight hundred forty-two billion, three hundred sixty-one million, five hundred eighty-nine thousand, seven hundred sixty".