648326650 has 24 divisors (see below), whose sum is σ = 1207422720. Its totient is φ = 259000560.

The previous prime is 648326597. The next prime is 648326663. The reversal of 648326650 is 56623846.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 33511 + ... + 49189.

It is an arithmetic number, because the mean of its divisors is an integer number (50309280).

Almost surely, 2^648326650 is an apocalyptic number.

648326650 is a deficient number, since it is larger than the sum of its proper divisors (559096070).

648326650 is a wasteful number, since it uses less digits than its factorization.

648326650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16518 (or 16513 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 648326650 is about 25462.2593263049. The cubic root of 648326650 is about 865.4951223337.

It can be divided in two parts, 6483 and 26650, that added together give a palindrome (33133).

The spelling of 648326650 in words is "six hundred forty-eight million, three hundred twenty-six thousand, six hundred fifty".