612330650 has 48 divisors (see below), whose sum is σ = 1247565240. Its totient is φ = 222566400.

The previous prime is 612330647. The next prime is 612330661. The reversal of 612330650 is 56033216.

It can be written as a sum of positive squares in 12 ways, for example, as 13402921 + 598927729 = 3661^2 + 24473^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12230 + ... + 37070.

Almost surely, 2^612330650 is an apocalyptic number.

612330650 is an abundant number, since it is smaller than the sum of its proper divisors (635234590).

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

612330650 is a wasteful number, since it uses less digits than its factorization.

612330650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24899 (or 24894 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 612330650 is about 24745.3157183334. The cubic root of 612330650 is about 849.1713492876.

Adding to 612330650 its reverse (56033216), we get a palindrome (668363866).

The spelling of 612330650 in words is "six hundred twelve million, three hundred thirty thousand, six hundred fifty".