500081687250 has 128 divisors (see below), whose sum is σ = 1256625377280. Its totient is φ = 132457248000.

The previous prime is 500081687213. The next prime is 500081687251. The reversal of 500081687250 is 52786180005.

It is not an unprimeable number, because it can be changed into a prime (500081687251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147558556 + ... + 147561944.

It is an arithmetic number, because the mean of its divisors is an integer number (9817385760).

Almost surely, 2^500081687250 is an apocalyptic number.

500081687250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 500081687250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628312688640).

500081687250 is an abundant number, since it is smaller than the sum of its proper divisors (756543690030).

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

500081687250 is a wasteful number, since it uses less digits than its factorization.

500081687250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 500081687250 in words is "five hundred billion, eighty-one million, six hundred eighty-seven thousand, two hundred fifty".