240305252 has 48 divisors (see below), whose sum is σ = 480513600. Its totient is φ = 104146560.

The previous prime is 240305239. The next prime is 240305257. The reversal of 240305252 is 252503042.

It is a super-2 number, since 2×240305252² = 115493228277567008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240305257) 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, 104774 + ... + 107042.

It is an arithmetic number, because the mean of its divisors is an integer number (10010700).

Almost surely, 2^240305252 is an apocalyptic number.

240305252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

240305252 is a deficient number, since it is larger than the sum of its proper divisors (240208348).

240305252 is a wasteful number, since it uses less digits than its factorization.

240305252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 240305252 is about 15501.7822201191. The cubic root of 240305252 is about 621.7098587181.

Adding to 240305252 its reverse (252503042), we get a palindrome (492808294).

The spelling of 240305252 in words is "two hundred forty million, three hundred five thousand, two hundred fifty-two".