648358002 has 48 divisors (see below), whose sum is σ = 1489556952. Its totient is φ = 203112960.

The previous prime is 648357989. The next prime is 648358003. The reversal of 648358002 is 200853846.

648358002 is a `hidden beast` number, since 648 + 3 + 5 + 8 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 511257321 + 137100681 = 22611^2 + 11709^2 .

It is not an unprimeable number, because it can be changed into a prime (648358003) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 323668 + ... + 325664.

Almost surely, 2^648358002 is an apocalyptic number.

648358002 is an abundant number, since it is smaller than the sum of its proper divisors (841198950).

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

648358002 is a wasteful number, since it uses less digits than its factorization.

648358002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 648358002 is about 25462.8749751476. The cubic root of 648358002 is about 865.5090734110.

The spelling of 648358002 in words is "six hundred forty-eight million, three hundred fifty-eight thousand, two".