223411533455440 has 160 divisors (see below), whose sum is σ = 572732713046016. Its totient is φ = 80372522926080.

The previous prime is 223411533455437. The next prime is 223411533455449. The reversal of 223411533455440 is 44554335114322.

It is a happy number.

It is a super-2 number, since 2×223411533455440² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223411533455449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36619794 + ... + 42282766.

Almost surely, 2^{223411533455440} is an apocalyptic number.

223411533455440 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 223411533455440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286366356523008).

223411533455440 is an abundant number, since it is smaller than the sum of its proper divisors (349321179590576).

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

223411533455440 is a wasteful number, since it uses less digits than its factorization.

223411533455440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663477 (or 5663471 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 223411533455440 its reverse (44554335114322), we get a palindrome (267965868569762).

The spelling of 223411533455440 in words is "two hundred twenty-three trillion, four hundred eleven billion, five hundred thirty-three million, four hundred fifty-five thousand, four hundred forty".