240520252 has 12 divisors (see below), whose sum is σ = 481040560. Its totient is φ = 103080096.

The previous prime is 240520237. The next prime is 240520253. The reversal of 240520252 is 252025042.

It is a happy number.

240520252 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240520253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4294977 + ... + 4295032.

Almost surely, 2^240520252 is an apocalyptic number.

It is an amenable number.

240520252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

240520252 is a wasteful number, since it uses less digits than its factorization.

240520252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590020 (or 8590018 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 240520252 is about 15508.7153562118. The cubic root of 240520252 is about 621.8952170965.

Adding to 240520252 its reverse (252025042), we get a palindrome (492545294).

The spelling of 240520252 in words is "two hundred forty million, five hundred twenty thousand, two hundred fifty-two".