240143404 has 12 divisors (see below), whose sum is σ = 420455728. Its totient is φ = 120013200.

The previous prime is 240143401. The next prime is 240143473. The reversal of 240143404 is 404341042.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (240143401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4632 + ... + 22399.

Almost surely, 2^240143404 is an apocalyptic number.

It is an amenable number.

240143404 is a deficient number, since it is larger than the sum of its proper divisors (180312324).

240143404 is a wasteful number, since it uses less digits than its factorization.

240143404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29256 (or 29254 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 240143404 is about 15496.5610378561. The cubic root of 240143404 is about 621.5702514271.

Adding to 240143404 its reverse (404341042), we get a palindrome (644484446).

The spelling of 240143404 in words is "two hundred forty million, one hundred forty-three thousand, four hundred four".