505223445616 has 40 divisors (see below), whose sum is σ = 1032240160080. Its totient is φ = 238886636544.

The previous prime is 505223445613. The next prime is 505223445697. The reversal of 505223445616 is 616544322505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505223445613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322521 + ... + 1661176.

It is an arithmetic number, because the mean of its divisors is an integer number (25806004002).

Almost surely, 2^505223445616 is an apocalyptic number.

It is an amenable number.

505223445616 is an abundant number, since it is smaller than the sum of its proper divisors (527016714464).

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

505223445616 is a wasteful number, since it uses less digits than its factorization.

505223445616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984281 (or 2984275 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 505223445616 in words is "five hundred five billion, two hundred twenty-three million, four hundred forty-five thousand, six hundred sixteen".