240400012 has 12 divisors (see below), whose sum is σ = 420809536. Its totient is φ = 120168720.

The previous prime is 240400001. The next prime is 240400033. The reversal of 240400012 is 210004042.

It is a junction number, because it is equal to n+sod(n) for n = 240399965 and 240400001.

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 3 ways as a sum of consecutive naturals, for example, 22693 + ... + 31555.

Almost surely, 2^240400012 is an apocalyptic number.

It is an amenable number.

240400012 is a deficient number, since it is larger than the sum of its proper divisors (180409524).

240400012 is a wasteful number, since it uses less digits than its factorization.

240400012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15648 (or 15646 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 240400012 is about 15504.8383416274. The cubic root of 240400012 is about 621.7915679659.

Adding to 240400012 its reverse (210004042), we get a palindrome (450404054).

The spelling of 240400012 in words is "two hundred forty million, four hundred thousand, twelve".