650050128 has 240 divisors, whose sum is σ = 2264021760. Its totient is φ = 169537536.

The previous prime is 650050117. The next prime is 650050133. The reversal of 650050128 is 821050056.

650050128 is a `hidden beast` number, since 650 + 0 + 5 + 0 + 1 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1480533 + ... + 1480971.

It is an arithmetic number, because the mean of its divisors is an integer number (9433424).

Almost surely, 2^650050128 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 650050128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132010880).

650050128 is an abundant number, since it is smaller than the sum of its proper divisors (1613971632).

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

650050128 is a wasteful number, since it uses less digits than its factorization.

650050128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 650050128 is about 25496.0806399729. The cubic root of 650050128 is about 866.2613728884.

The spelling of 650050128 in words is "six hundred fifty million, fifty thousand, one hundred twenty-eight".