650336420 has 24 divisors (see below), whose sum is σ = 1402619064. Its totient is φ = 253103616.

The previous prime is 650336417. The next prime is 650336441. The reversal of 650336420 is 24633056.

It can be written as a sum of positive squares in 4 ways, for example, as 275294464 + 375041956 = 16592^2 + 19366^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438677 + ... + 440156.

It is an arithmetic number, because the mean of its divisors is an integer number (58442461).

Almost surely, 2^650336420 is an apocalyptic number.

It is an amenable number.

650336420 is an abundant number, since it is smaller than the sum of its proper divisors (752282644).

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

650336420 is a wasteful number, since it uses less digits than its factorization.

650336420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878879 (or 878877 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 650336420 is about 25501.6944535064. The cubic root of 650336420 is about 866.3885258012.

Adding to 650336420 its reverse (24633056), we get a palindrome (674969476).

The spelling of 650336420 in words is "six hundred fifty million, three hundred thirty-six thousand, four hundred twenty".