648202268 has 48 divisors (see below), whose sum is σ = 1320883200. Its totient is φ = 272600640.

The previous prime is 648202267. The next prime is 648202277. The reversal of 648202268 is 862202846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648202267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399563 + ... + 401181.

It is an arithmetic number, because the mean of its divisors is an integer number (27518400).

Almost surely, 2^648202268 is an apocalyptic number.

It is an amenable number.

648202268 is an abundant number, since it is smaller than the sum of its proper divisors (672680932).

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

648202268 is a wasteful number, since it uses less digits than its factorization.

648202268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 648202268 is about 25459.8167314692. The cubic root of 648202268 is about 865.4397701439.

The spelling of 648202268 in words is "six hundred forty-eight million, two hundred two thousand, two hundred sixty-eight".