500201938640 has 80 divisors (see below), whose sum is σ = 1182947232960. Its totient is φ = 196645278720.

The previous prime is 500201938583. The next prime is 500201938681. The reversal of 500201938640 is 46839102005.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 500201938594 and 500201938603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27824855 + ... + 27842825.

It is an arithmetic number, because the mean of its divisors is an integer number (14786840412).

Almost surely, 2^500201938640 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 500201938640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591473616480).

500201938640 is an abundant number, since it is smaller than the sum of its proper divisors (682745294320).

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

500201938640 is a wasteful number, since it uses less digits than its factorization.

500201938640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23940 (or 23934 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 500201938640 in words is "five hundred billion, two hundred one million, nine hundred thirty-eight thousand, six hundred forty".