495646650 has 72 divisors (see below), whose sum is σ = 1335388860. Its totient is φ = 131800320.

The previous prime is 495646649. The next prime is 495646661. The reversal of 495646650 is 56646594.

It can be written as a sum of positive squares in 6 ways, for example, as 275925321 + 219721329 = 16611^2 + 14823^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 495646596 and 495646605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 182704 + ... + 185396.

Almost surely, 2^495646650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495646650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667694430).

495646650 is an abundant number, since it is smaller than the sum of its proper divisors (839742210).

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

495646650 is a wasteful number, since it uses less digits than its factorization.

495646650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 495646650 is about 22263.1230962774. The cubic root of 495646650 is about 791.3903040283.

The spelling of 495646650 in words is "four hundred ninety-five million, six hundred forty-six thousand, six hundred fifty".