648822042571308 has 24 divisors (see below), whose sum is σ = 1514044396331712. Its totient is φ = 216255971762064.

The previous prime is 648822042571291. The next prime is 648822042571361. The reversal of 648822042571308 is 803175240228846.

It is a happy number.

648822042571308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255153710 + ... + 2255441397.

It is an arithmetic number, because the mean of its divisors is an integer number (63085183180488).

Almost surely, 2^{648822042571308} is an apocalyptic number.

It is an amenable number.

648822042571308 is an abundant number, since it is smaller than the sum of its proper divisors (865222353760404).

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

648822042571308 is a wasteful number, since it uses less digits than its factorization.

648822042571308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510607101 (or 4510607099 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 60.

The spelling of 648822042571308 in words is "six hundred forty-eight trillion, eight hundred twenty-two billion, forty-two million, five hundred seventy-one thousand, three hundred eight".