228520449152 has 216 divisors, whose sum is σ = 497781948105. Its totient is φ = 104489978880.

The previous prime is 228520449149. The next prime is 228520449203. The reversal of 228520449152 is 251944025822.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 228384586816 + 135862336 = 477896^2 + 11656^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338024.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4862137193 + ... + 4862137239.

Almost surely, 2^228520449152 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 228520449152

228520449152 is an abundant number, since it is smaller than the sum of its proper divisors (269261498953).

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

228520449152 is an frugal number, since it uses more digits than its factorization.

228520449152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 228520449152 in words is "two hundred twenty-eight billion, five hundred twenty million, four hundred forty-nine thousand, one hundred fifty-two".