500638494720 has 832 divisors, whose sum is σ = 1987907733504. Its totient is φ = 104752742400.

The previous prime is 500638494709. The next prime is 500638494731. The reversal of 500638494720 is 27494836005.

It is an interprime number because it is at equal distance from previous prime (500638494709) and next prime (500638494731).

It is a tau number, because it is divible by the number of its divisors (832).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 500638494720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 844246744 + ... + 844247336.

Almost surely, 2^500638494720 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 500638494720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993953866752).

500638494720 is an abundant number, since it is smaller than the sum of its proper divisors (1487269238784).

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

500638494720 is a wasteful number, since it uses less digits than its factorization.

500638494720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 500638494720 in words is "five hundred billion, six hundred thirty-eight million, four hundred ninety-four thousand, seven hundred twenty".