240432404 has 12 divisors (see below), whose sum is σ = 434329728. Its totient is φ = 116338200.

The previous prime is 240432391. The next prime is 240432421. The reversal of 240432404 is 404234042.

It is a self number, because there is not a number n which added to its sum of digits gives 240432404.

It is a congruent number.

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, 969362 + ... + 969609.

It is an arithmetic number, because the mean of its divisors is an integer number (36194144).

Almost surely, 2^240432404 is an apocalyptic number.

It is an amenable number.

240432404 is a deficient number, since it is larger than the sum of its proper divisors (193897324).

240432404 is a wasteful number, since it uses less digits than its factorization.

240432404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939006 (or 1939004 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 240432404 is about 15505.8828836026. The cubic root of 240432404 is about 621.8194938767.

Adding to 240432404 its reverse (404234042), we get a palindrome (644666446).

The spelling of 240432404 in words is "two hundred forty million, four hundred thirty-two thousand, four hundred four".