223904560448 has 56 divisors (see below), whose sum is σ = 459780208200. Its totient is φ = 108056926208.

The previous prime is 223904560441. The next prime is 223904560463. The reversal of 223904560448 is 844065409322.

It can be written as a sum of positive squares in 4 ways, for example, as 49287552064 + 174617008384 = 222008^2 + 417872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223904560441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6272186 + ... + 6307782.

Almost surely, 2^223904560448 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 223904560448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229890104100).

223904560448 is an abundant number, since it is smaller than the sum of its proper divisors (235875647752).

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

223904560448 is a wasteful number, since it uses less digits than its factorization.

223904560448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39027 (or 39017 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 223904560448 in words is "two hundred twenty-three billion, nine hundred four million, five hundred sixty thousand, four hundred forty-eight".