632636669952 has 384 divisors, whose sum is σ = 2180632561200. Its totient is φ = 180740947968.

The previous prime is 632636669893. The next prime is 632636669963. The reversal of 632636669952 is 259966636236.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 632636669952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43344768 + ... + 43359360.

Almost surely, 2^632636669952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 632636669952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090316280600).

632636669952 is an abundant number, since it is smaller than the sum of its proper divisors (1547995891248).

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

632636669952 is an equidigital number, since it uses as much as digits as its factorization.

632636669952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14646 (or 14605 counting only the distinct ones).

The product of its digits is 113374080, while the sum is 63.

The spelling of 632636669952 in words is "six hundred thirty-two billion, six hundred thirty-six million, six hundred sixty-nine thousand, nine hundred fifty-two".