634224438224 has 80 divisors (see below), whose sum is σ = 1341831273552. Its totient is φ = 288653697024.

The previous prime is 634224438167. The next prime is 634224438241. The reversal of 634224438224 is 422834422436.

It can be written as a sum of positive squares in 8 ways, for example, as 181710400 + 634042727824 = 13480^2 + 796268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4561802 + ... + 4698774.

Almost surely, 2^634224438224 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 634224438224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670915636776).

634224438224 is an abundant number, since it is smaller than the sum of its proper divisors (707606835328).

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

634224438224 is a wasteful number, since it uses less digits than its factorization.

634224438224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137304 (or 137298 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 44.

The spelling of 634224438224 in words is "six hundred thirty-four billion, two hundred twenty-four million, four hundred thirty-eight thousand, two hundred twenty-four".