223240240440 has 96 divisors (see below), whose sum is σ = 829178045280. Its totient is φ = 51026340096.

The previous prime is 223240240439. The next prime is 223240240459. The reversal of 223240240440 is 44042042322.

It is a super-3 number, since 3×223240240440³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44291179 + ... + 44296218.

It is an arithmetic number, because the mean of its divisors is an integer number (8637271305).

Almost surely, 2^223240240440 is an apocalyptic number.

223240240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223240240440 is an abundant number, since it is smaller than the sum of its proper divisors (605937804840).

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

223240240440 is a wasteful number, since it uses less digits than its factorization.

223240240440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88587421 (or 88587414 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 223240240440 its reverse (44042042322), we get a palindrome (267282282762).

The spelling of 223240240440 in words is "two hundred twenty-three billion, two hundred forty million, two hundred forty thousand, four hundred forty".