648552210 has 32 divisors (see below), whose sum is σ = 1648086912. Its totient is φ = 162773760.

The previous prime is 648552199. The next prime is 648552241. The reversal of 648552210 is 12255846.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635326 + ... + 636345.

It is an arithmetic number, because the mean of its divisors is an integer number (51502716).

Almost surely, 2^648552210 is an apocalyptic number.

648552210 is an abundant number, since it is smaller than the sum of its proper divisors (999534702).

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

648552210 is a wasteful number, since it uses less digits than its factorization.

648552210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271698.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 648552210 is about 25466.6882417012. The cubic root of 648552210 is about 865.5954824656.

The spelling of 648552210 in words is "six hundred forty-eight million, five hundred fifty-two thousand, two hundred ten".