648106880 has 64 divisors (see below), whose sum is σ = 1616781600. Its totient is φ = 247965696.

The previous prime is 648106847. The next prime is 648106909. The reversal of 648106880 is 88601846.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7295 + ... + 36734.

Almost surely, 2^648106880 is an apocalyptic number.

It is an amenable number.

648106880 is an abundant number, since it is smaller than the sum of its proper divisors (968674720).

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

648106880 is a wasteful number, since it uses less digits than its factorization.

648106880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44071 (or 44059 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 648106880 is about 25457.9433576242. The cubic root of 648106880 is about 865.3973159992.

The spelling of 648106880 in words is "six hundred forty-eight million, one hundred six thousand, eight hundred eighty".