223040240 has 60 divisors (see below), whose sum is σ = 547368984. Its totient is φ = 84509568.

The previous prime is 223040227. The next prime is 223040243. The reversal of 223040240 is 42040322.

223040240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223040243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25019 + ... + 32741.

Almost surely, 2^223040240 is an apocalyptic number.

223040240 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 223040240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273684492).

223040240 is an abundant number, since it is smaller than the sum of its proper divisors (324328744).

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

223040240 is a wasteful number, since it uses less digits than its factorization.

223040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774 (or 7749 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 223040240 is about 14934.5317971472. The cubic root of 223040240 is about 606.4491726636.

Adding to 223040240 its reverse (42040322), we get a palindrome (265080562).

The spelling of 223040240 in words is "two hundred twenty-three million, forty thousand, two hundred forty".