505351440421224 has 64 divisors (see below), whose sum is σ = 1329985031976000. Its totient is φ = 159571126955520.

The previous prime is 505351440421199. The next prime is 505351440421253. The reversal of 505351440421224 is 422124044153505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41626797 + ... + 52378364.

It is an arithmetic number, because the mean of its divisors is an integer number (20781016124625).

Almost surely, 2^{505351440421224} is an apocalyptic number.

It is an amenable number.

505351440421224 is an abundant number, since it is smaller than the sum of its proper divisors (824633591554776).

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

505351440421224 is a wasteful number, since it uses less digits than its factorization.

505351440421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94016978 (or 94016974 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 505351440421224 its reverse (422124044153505), we get a palindrome (927475484574729).

The spelling of 505351440421224 in words is "five hundred five trillion, three hundred fifty-one billion, four hundred forty million, four hundred twenty-one thousand, two hundred twenty-four".