240217252 has 24 divisors (see below), whose sum is σ = 462813120. Its totient is φ = 108185760.

The previous prime is 240217249. The next prime is 240217273. The reversal of 240217252 is 252712042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20248 + ... + 29839.

It is an arithmetic number, because the mean of its divisors is an integer number (19283880).

Almost surely, 2^240217252 is an apocalyptic number.

240217252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

240217252 is a deficient number, since it is larger than the sum of its proper divisors (222595868).

240217252 is a wasteful number, since it uses less digits than its factorization.

240217252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50211 (or 50209 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 240217252 is about 15498.9435769023. The cubic root of 240217252 is about 621.6339592155.

Adding to 240217252 its reverse (252712042), we get a palindrome (492929294).

The spelling of 240217252 in words is "two hundred forty million, two hundred seventeen thousand, two hundred fifty-two".