505244456650 has 24 divisors (see below), whose sum is σ = 941684415840. Its totient is φ = 201682787760.

The previous prime is 505244456573. The next prime is 505244456677. The reversal of 505244456650 is 56654442505.

It is a self number, because there is not a number n which added to its sum of digits gives 505244456650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10350280 + ... + 10398979.

It is an arithmetic number, because the mean of its divisors is an integer number (39236850660).

Almost surely, 2^505244456650 is an apocalyptic number.

505244456650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505244456650 is a deficient number, since it is larger than the sum of its proper divisors (436439959190).

505244456650 is a wasteful number, since it uses less digits than its factorization.

505244456650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20749758 (or 20749753 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 505244456650 in words is "five hundred five billion, two hundred forty-four million, four hundred fifty-six thousand, six hundred fifty".