636063468 has 12 divisors (see below), whose sum is σ = 1484148120. Its totient is φ = 212021152.

The previous prime is 636063457. The next prime is 636063469. The reversal of 636063468 is 864360636.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (636063469) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26502633 + ... + 26502656.

It is an arithmetic number, because the mean of its divisors is an integer number (123679010).

Almost surely, 2^636063468 is an apocalyptic number.

It is an amenable number.

636063468 is an abundant number, since it is smaller than the sum of its proper divisors (848084652).

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

636063468 is a wasteful number, since it uses less digits than its factorization.

636063468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53005296 (or 53005294 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The square root of 636063468 is about 25220.2987293965. The cubic root of 636063468 is about 860.0033657701.

The spelling of 636063468 in words is "six hundred thirty-six million, sixty-three thousand, four hundred sixty-eight".