634444444436 has 36 divisors (see below), whose sum is σ = 1220512310304. Its totient is φ = 288354456720.

The previous prime is 634444444423. The next prime is 634444444441.

634444444436 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5101385 + ... + 5224271.

Almost surely, 2^634444444436 is an apocalyptic number.

It is an amenable number.

634444444436 is a deficient number, since it is larger than the sum of its proper divisors (586067865868).

634444444436 is a wasteful number, since it uses less digits than its factorization.

634444444436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133580 (or 133567 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 50.

The spelling of 634444444436 in words is "six hundred thirty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred thirty-six".