648880870050 has 72 divisors (see below), whose sum is σ = 1992373271616. Its totient is φ = 148315626720.

The previous prime is 648880870019. The next prime is 648880870097. The reversal of 648880870050 is 50078088846.

648880870050 is a `hidden beast` number, since 6 + 488 + 80 + 87 + 0 + 0 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102993814 + ... + 103000113.

Almost surely, 2^648880870050 is an apocalyptic number.

648880870050 is an abundant number, since it is smaller than the sum of its proper divisors (1343492401566).

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

648880870050 is a wasteful number, since it uses less digits than its factorization.

648880870050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205993952 (or 205993944 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 54.

The spelling of 648880870050 in words is "six hundred forty-eight billion, eight hundred eighty million, eight hundred seventy thousand, fifty".