634442505244436 has 24 divisors (see below), whose sum is σ = 1269070060458816. Its totient is φ = 271864277254080.

The previous prime is 634442505244399. The next prime is 634442505244451.

634442505244436 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652036450 + ... + 1652420441.

It is an arithmetic number, because the mean of its divisors is an integer number (52877919185784).

Almost surely, 2^{634442505244436} is an apocalyptic number.

It is an amenable number.

634442505244436 is an abundant number, since it is smaller than the sum of its proper divisors (634627555214380).

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

634442505244436 is a wasteful number, since it uses less digits than its factorization.

634442505244436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304463759 (or 3304463757 counting only the distinct ones).

The product of its (nonzero) digits is 132710400, while the sum is 56.

It can be divided in two parts, 63444250 and 5244436, that added together give a palindrome (68688686).

The spelling of 634442505244436 in words is "six hundred thirty-four trillion, four hundred forty-two billion, five hundred five million, two hundred forty-four thousand, four hundred thirty-six".