650312080 has 60 divisors (see below), whose sum is σ = 1661948316. Its totient is φ = 236473600.

The previous prime is 650312071. The next prime is 650312099. The reversal of 650312080 is 80213056.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 499611904 + 150700176 = 22352^2 + 12276^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23911 + ... + 43270.

Almost surely, 2^650312080 is an apocalyptic number.

It is an amenable number.

650312080 is an abundant number, since it is smaller than the sum of its proper divisors (1011636236).

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

650312080 is a wasteful number, since it uses less digits than its factorization.

650312080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67216 (or 67199 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 650312080 is about 25501.2172258502. The cubic root of 650312080 is about 866.3777169546.

The spelling of 650312080 in words is "six hundred fifty million, three hundred twelve thousand, eighty".