636084636432 has 40 divisors (see below), whose sum is σ = 1877964165696. Its totient is φ = 181738467456.

The previous prime is 636084636431. The next prime is 636084636437. The reversal of 636084636432 is 234636480636.

It is not an unprimeable number, because it can be changed into a prime (636084636431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946554183 + ... + 946554854.

Almost surely, 2^636084636432 is an apocalyptic number.

It is an amenable number.

636084636432 is an abundant number, since it is smaller than the sum of its proper divisors (1241879529264).

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

636084636432 is a wasteful number, since it uses less digits than its factorization.

636084636432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893109055 (or 1893109049 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 51.

The spelling of 636084636432 in words is "six hundred thirty-six billion, eighty-four million, six hundred thirty-six thousand, four hundred thirty-two".