500438405215336 has 96 divisors (see below), whose sum is σ = 1094119515724680. Its totient is φ = 213962699059200.

The previous prime is 500438405215319. The next prime is 500438405215339. The reversal of 500438405215336 is 633512504834005.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 287356945979236 + 213081459236100 = 16951606^2 + 14597310^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 500438405215336.

It is not an unprimeable number, because it can be changed into a prime (500438405215339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440778406 + ... + 441912298.

Almost surely, 2^{500438405215336} is an apocalyptic number.

500438405215336 is a gapful number since it is divisible by the number (56) 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 500438405215336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547059757862340).

500438405215336 is an abundant number, since it is smaller than the sum of its proper divisors (593681110509344).

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

500438405215336 is a wasteful number, since it uses less digits than its factorization.

500438405215336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136595 (or 1136584 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 500438405215336 in words is "five hundred trillion, four hundred thirty-eight billion, four hundred five million, two hundred fifteen thousand, three hundred thirty-six".