240434220 has 48 divisors (see below), whose sum is σ = 725004000. Its totient is φ = 59183616.

The previous prime is 240434219. The next prime is 240434221. The reversal of 240434220 is 22434042.

240434220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (240434219) and next prime (240434221).

It is a super-2 number, since 2×240434220² = 115617228294016800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240434221) 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, 153345 + ... + 154904.

It is an arithmetic number, because the mean of its divisors is an integer number (15104250).

Almost surely, 2^240434220 is an apocalyptic number.

240434220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240434220 is an abundant number, since it is smaller than the sum of its proper divisors (484569780).

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

240434220 is a wasteful number, since it uses less digits than its factorization.

240434220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308274 (or 308272 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 240434220 is about 15505.9414419119. The cubic root of 240434220 is about 621.8210594191.

Adding to 240434220 its reverse (22434042), we get a palindrome (262868262).

The spelling of 240434220 in words is "two hundred forty million, four hundred thirty-four thousand, two hundred twenty".