650466648 has 96 divisors (see below), whose sum is σ = 2008843200. Its totient is φ = 188365824.

The previous prime is 650466643. The next prime is 650466667. The reversal of 650466648 is 846664056.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650466643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4528 + ... + 36351.

It is an arithmetic number, because the mean of its divisors is an integer number (20925450).

Almost surely, 2^650466648 is an apocalyptic number.

650466648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650466648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004421600).

650466648 is an abundant number, since it is smaller than the sum of its proper divisors (1358376552).

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

650466648 is a wasteful number, since it uses less digits than its factorization.

650466648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40921 (or 40914 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 650466648 is about 25504.2476462255. The cubic root of 650466648 is about 866.4463525460.

The spelling of 650466648 in words is "six hundred fifty million, four hundred sixty-six thousand, six hundred forty-eight".