505235052210 has 128 divisors (see below), whose sum is σ = 1435550367744. Its totient is φ = 111361754880.

The previous prime is 505235052209. The next prime is 505235052227. The reversal of 505235052210 is 12250532505.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1705212 + ... + 1979448.

It is an arithmetic number, because the mean of its divisors is an integer number (11215237248).

Almost surely, 2^505235052210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505235052210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717775183872).

505235052210 is an abundant number, since it is smaller than the sum of its proper divisors (930315315534).

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

505235052210 is a wasteful number, since it uses less digits than its factorization.

505235052210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274568.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 505235052210 its reverse (12250532505), we get a palindrome (517485584715).

The spelling of 505235052210 in words is "five hundred five billion, two hundred thirty-five million, fifty-two thousand, two hundred ten".