505223450636 has 24 divisors (see below), whose sum is σ = 941892603120. Its totient is φ = 236293604352.

The previous prime is 505223450617. The next prime is 505223450731. The reversal of 505223450636 is 636054322505.

It is a junction number, because it is equal to n+sod(n) for n = 505223450593 and 505223450602.

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, 22779581 + ... + 22801748.

It is an arithmetic number, because the mean of its divisors is an integer number (39245525130).

Almost surely, 2^505223450636 is an apocalyptic number.

It is an amenable number.

505223450636 is a deficient number, since it is larger than the sum of its proper divisors (436669152484).

505223450636 is a wasteful number, since it uses less digits than its factorization.

505223450636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45581513 (or 45581511 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 505223450636 in words is "five hundred five billion, two hundred twenty-three million, four hundred fifty thousand, six hundred thirty-six".