648461200 has 30 divisors (see below), whose sum is σ = 1557928994. Its totient is φ = 259384320.

The previous prime is 648461189. The next prime is 648461213. The reversal of 648461200 is 2164846.

648461200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3504384 + 644956816 = 1872^2 + 25396^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 810177 + ... + 810976.

Almost surely, 2^648461200 is an apocalyptic number.

It is an amenable number.

648461200 is an abundant number, since it is smaller than the sum of its proper divisors (909467794).

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

648461200 is a wasteful number, since it uses less digits than its factorization.

648461200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621171 (or 1621160 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 648461200 is about 25464.9013349748. The cubic root of 648461200 is about 865.5549914926.

The spelling of 648461200 in words is "six hundred forty-eight million, four hundred sixty-one thousand, two hundred".