636242242636 has 96 divisors (see below), whose sum is σ = 1525456396800. Its totient is φ = 228818318400.

The previous prime is 636242242613. The next prime is 636242242651.

636242242636 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1425250 + ... + 1817641.

It is an arithmetic number, because the mean of its divisors is an integer number (15890170800).

Almost surely, 2^636242242636 is an apocalyptic number.

It is an amenable number.

636242242636 is an abundant number, since it is smaller than the sum of its proper divisors (889214154164).

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

636242242636 is a wasteful number, since it uses less digits than its factorization.

636242242636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242940 (or 3242924 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 46.

It can be divided in two parts, 636242 and 242636, that added together give a palindrome (878878).

The spelling of 636242242636 in words is "six hundred thirty-six billion, two hundred forty-two million, two hundred forty-two thousand, six hundred thirty-six".