636336052 has 12 divisors (see below), whose sum is σ = 1214823456. Its totient is φ = 289243640.

The previous prime is 636336047. The next prime is 636336083. The reversal of 636336052 is 250633636.

It is a junction number, because it is equal to n+sod(n) for n = 636335999 and 636336017.

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 3 ways as a sum of consecutive naturals, for example, 7231048 + ... + 7231135.

It is an arithmetic number, because the mean of its divisors is an integer number (101235288).

Almost surely, 2^636336052 is an apocalyptic number.

It is an amenable number.

636336052 is a deficient number, since it is larger than the sum of its proper divisors (578487404).

636336052 is a wasteful number, since it uses less digits than its factorization.

636336052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14462198 (or 14462196 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 34.

The square root of 636336052 is about 25225.7022102458. The cubic root of 636336052 is about 860.1261992556.

Adding to 636336052 its reverse (250633636), we get a palindrome (886969688).

The spelling of 636336052 in words is "six hundred thirty-six million, three hundred thirty-six thousand, fifty-two".