505221015030 has 32 divisors (see below), whose sum is σ = 1213449811200. Its totient is φ = 134623451232.

The previous prime is 505221015017. The next prime is 505221015031. The reversal of 505221015030 is 30510122505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505221015031) 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, 6344320 + ... + 6423459.

It is an arithmetic number, because the mean of its divisors is an integer number (37920306600).

Almost surely, 2^505221015030 is an apocalyptic number.

505221015030 is an abundant number, since it is smaller than the sum of its proper divisors (708228796170).

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

505221015030 is a wasteful number, since it uses less digits than its factorization.

505221015030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12769108.

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 505221015030 its reverse (30510122505), we get a palindrome (535731137535).

The spelling of 505221015030 in words is "five hundred five billion, two hundred twenty-one million, fifteen thousand, thirty".