506646650 has 24 divisors (see below), whose sum is σ = 943315740. Its totient is φ = 202453760.

The previous prime is 506646649. The next prime is 506646667. The reversal of 506646650 is 56646605.

It can be written as a sum of positive squares in 6 ways, for example, as 351649 + 506295001 = 593^2 + 22501^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

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, 50882 + ... + 60018.

Almost surely, 2^506646650 is an apocalyptic number.

506646650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

506646650 is a deficient number, since it is larger than the sum of its proper divisors (436669090).

506646650 is a wasteful number, since it uses less digits than its factorization.

506646650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10258 (or 10253 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 506646650 is about 22508.8127185776. The cubic root of 506646650 is about 797.2020224355.

The spelling of 506646650 in words is "five hundred six million, six hundred forty-six thousand, six hundred fifty".