500041221500 has 48 divisors (see below), whose sum is σ = 1156330637280. Its totient is φ = 188250809600.

The previous prime is 500041221409. The next prime is 500041221503. The reversal of 500041221500 is 5122140005.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500041221503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29405690 + ... + 29422689.

It is an arithmetic number, because the mean of its divisors is an integer number (24090221610).

Almost surely, 2^500041221500 is an apocalyptic number.

500041221500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500041221500 is an abundant number, since it is smaller than the sum of its proper divisors (656289415780).

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

500041221500 is a wasteful number, since it uses less digits than its factorization.

500041221500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58828415 (or 58828403 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 500041221500 its reverse (5122140005), we get a palindrome (505163361505).

The spelling of 500041221500 in words is "five hundred billion, forty-one million, two hundred twenty-one thousand, five hundred".