240312234 has 32 divisors (see below), whose sum is σ = 513765504. Its totient is φ = 74750720.

The previous prime is 240312203. The next prime is 240312283. The reversal of 240312234 is 432213042.

It is a self number, because there is not a number n which added to its sum of digits gives 240312234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15579 + ... + 26894.

It is an arithmetic number, because the mean of its divisors is an integer number (16055172).

Almost surely, 2^240312234 is an apocalyptic number.

240312234 is an abundant number, since it is smaller than the sum of its proper divisors (273453270).

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

240312234 is a wasteful number, since it uses less digits than its factorization.

240312234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42542.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 240312234 is about 15502.0074183959. The cubic root of 240312234 is about 621.7158798602.

Adding to 240312234 its reverse (432213042), we get a palindrome (672525276).

The spelling of 240312234 in words is "two hundred forty million, three hundred twelve thousand, two hundred thirty-four".