240234216 has 64 divisors (see below), whose sum is σ = 609638400. Its totient is φ = 78882048.

The previous prime is 240234209. The next prime is 240234217. The reversal of 240234216 is 612432042.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (240234217) 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, 819766 + ... + 820058.

It is an arithmetic number, because the mean of its divisors is an integer number (9525600).

Almost surely, 2^240234216 is an apocalyptic number.

It is an amenable number.

240234216 is an abundant number, since it is smaller than the sum of its proper divisors (369404184).

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

240234216 is a wasteful number, since it uses less digits than its factorization.

240234216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 240234216 is about 15499.4908303467. The cubic root of 240234216 is about 621.6485920117.

Adding to 240234216 its reverse (612432042), we get a palindrome (852666258).

The spelling of 240234216 in words is "two hundred forty million, two hundred thirty-four thousand, two hundred sixteen".