650325328128 has 432 divisors, whose sum is σ = 2244251661120. Its totient is φ = 185213952000.

The previous prime is 650325328069. The next prime is 650325328229. The reversal of 650325328128 is 821823523056.

650325328128 is a `hidden beast` number, since 6 + 5 + 0 + 32 + 532 + 81 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112102828 + ... + 112108628.

Almost surely, 2^650325328128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650325328128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1122125830560).

650325328128 is an abundant number, since it is smaller than the sum of its proper divisors (1593926332992).

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

650325328128 is a wasteful number, since it uses less digits than its factorization.

650325328128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171 (or 6144 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 650325328128 in words is "six hundred fifty billion, three hundred twenty-five million, three hundred twenty-eight thousand, one hundred twenty-eight".