648852468 has 24 divisors (see below), whose sum is σ = 1651624800. Its totient is φ = 196621920.

The previous prime is 648852329. The next prime is 648852469. The reversal of 648852468 is 864258846.

It is a self number, because there is not a number n which added to its sum of digits gives 648852468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648852469) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2457643 + ... + 2457906.

It is an arithmetic number, because the mean of its divisors is an integer number (68817700).

Almost surely, 2^648852468 is an apocalyptic number.

It is an amenable number.

648852468 is an abundant number, since it is smaller than the sum of its proper divisors (1002772332).

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

648852468 is a wasteful number, since it uses less digits than its factorization.

648852468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915567 (or 4915565 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 51.

The square root of 648852468 is about 25472.5826723558. The cubic root of 648852468 is about 865.7290424505.

The spelling of 648852468 in words is "six hundred forty-eight million, eight hundred fifty-two thousand, four hundred sixty-eight".