223445542049280 has 800 divisors, whose sum is σ = 835402847742144. Its totient is φ = 56974648541184.

The previous prime is 223445542049269. The next prime is 223445542049281. The reversal of 223445542049280 is 82940245544322.

223445542049280 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 4 + 5 + 54 + 20 + 492 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223445542049281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17250479284 + ... + 17250492236.

Almost surely, 2^{223445542049280} is an apocalyptic number.

223445542049280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223445542049280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417701423871072).

223445542049280 is an abundant number, since it is smaller than the sum of its proper divisors (611957305692864).

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

223445542049280 is a wasteful number, since it uses less digits than its factorization.

223445542049280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16628 (or 16603 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 54.

The spelling of 223445542049280 in words is "two hundred twenty-three trillion, four hundred forty-five billion, five hundred forty-two million, forty-nine thousand, two hundred eighty".