505212641024 has 72 divisors (see below), whose sum is σ = 1241171497440.
Its totient is φ = 199864332288.
The previous prime is 505212640997. The next prime is 505212641047. The reversal of 505212641024 is 420146212505.
Adding to 505212641024 its reverse (420146212505), we get a palindrome (925358853529).
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10820039 + ... + 10866630.
It is an arithmetic number, because the mean of its divisors is an integer number (17238493020).
Almost surely, 2505212641024 is an apocalyptic number.
It is an amenable number.
505212641024 is an abundant number, since it is smaller than the sum of its proper divisors (735958856416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505212641024 is a wasteful number, since it uses less digits than its factorization.
505212641024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21686705 (or 21686691 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 32.
The spelling of 505212641024 in words is "five hundred five billion, two hundred twelve million, six hundred forty-one thousand, twenty-four".