650378500 has 48 divisors (see below), whose sum is σ = 1424142720. Its totient is φ = 259471200.

The previous prime is 650378473. The next prime is 650378539. The reversal of 650378500 is 5873056.

It is a happy number.

650378500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218019 + ... + 220981.

It is an arithmetic number, because the mean of its divisors is an integer number (29669640).

Almost surely, 2^650378500 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 650378500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712071360).

650378500 is an abundant number, since it is smaller than the sum of its proper divisors (773764220).

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

650378500 is a wasteful number, since it uses less digits than its factorization.

650378500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 650378500 is about 25502.5194833765. The cubic root of 650378500 is about 866.4072119467.

It can be divided in two parts, 65037 and 8500, that added together give a palindrome (73537).

The spelling of 650378500 in words is "six hundred fifty million, three hundred seventy-eight thousand, five hundred".