223449205504 has 144 divisors (see below), whose sum is σ = 563196630528. Its totient is φ = 86211772416.

The previous prime is 223449205477. The next prime is 223449205517. The reversal of 223449205504 is 405502944322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541219 + ... + 860125.

It is an arithmetic number, because the mean of its divisors is an integer number (3911087712).

Almost surely, 2^223449205504 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 223449205504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281598315264).

223449205504 is an abundant number, since it is smaller than the sum of its proper divisors (339747425024).

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

223449205504 is a wasteful number, since it uses less digits than its factorization.

223449205504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318970 (or 318956 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 223449205504 in words is "two hundred twenty-three billion, four hundred forty-nine million, two hundred five thousand, five hundred four".