650505505056 has 48 divisors (see below), whose sum is σ = 1862811222048. Its totient is φ = 197122880000.

The previous prime is 650505505033. The next prime is 650505505073.

650505505056 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 650505504999 and 650505505017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308003445 + ... + 308005556.

It is an arithmetic number, because the mean of its divisors is an integer number (38808567126).

Almost surely, 2^650505505056 is an apocalyptic number.

650505505056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

650505505056 is an abundant number, since it is smaller than the sum of its proper divisors (1212305716992).

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

650505505056 is a wasteful number, since it uses less digits than its factorization.

650505505056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616009025 (or 616009017 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 650505505056 in words is "six hundred fifty billion, five hundred five million, five hundred five thousand, fifty-six".