240663220 has 48 divisors (see below), whose sum is σ = 611573760. Its totient is φ = 77658624.

The previous prime is 240663197. The next prime is 240663229. The reversal of 240663220 is 22366042.

It is a happy number.

240663220 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 (240663229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48180 + ... + 52939.

It is an arithmetic number, because the mean of its divisors is an integer number (12741120).

Almost surely, 2^240663220 is an apocalyptic number.

240663220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240663220 is an abundant number, since it is smaller than the sum of its proper divisors (370910540).

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

240663220 is a wasteful number, since it uses less digits than its factorization.

240663220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101152 (or 101150 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 240663220 is about 15513.3239507206. The cubic root of 240663220 is about 622.0184132430.

The spelling of 240663220 in words is "two hundred forty million, six hundred sixty-three thousand, two hundred twenty".