606330640 has 40 divisors (see below), whose sum is σ = 1412206488. Its totient is φ = 242104320.

The previous prime is 606330629. The next prime is 606330661. The reversal of 606330640 is 46033606.

It can be written as a sum of positive squares in 4 ways, for example, as 141324544 + 465006096 = 11888^2 + 21564^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 606330599 and 606330608.

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, 41050 + ... + 53830.

Almost surely, 2^606330640 is an apocalyptic number.

It is an amenable number.

606330640 is an abundant number, since it is smaller than the sum of its proper divisors (805875848).

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

606330640 is a wasteful number, since it uses less digits than its factorization.

606330640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387 (or 13381 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 606330640 is about 24623.7820003346. The cubic root of 606330640 is about 846.3886646614.

The spelling of 606330640 in words is "six hundred six million, three hundred thirty thousand, six hundred forty".