240330406 has 4 divisors (see below), whose sum is σ = 360495612. Its totient is φ = 120165202.

The previous prime is 240330379. The next prime is 240330421. The reversal of 240330406 is 604033042.

240330406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60082600 + ... + 60082603.

It is an arithmetic number, because the mean of its divisors is an integer number (90123903).

Almost surely, 2^240330406 is an apocalyptic number.

240330406 is a deficient number, since it is larger than the sum of its proper divisors (120165206).

240330406 is a wasteful number, since it uses less digits than its factorization.

240330406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120165205.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 240330406 is about 15502.5935249558. The cubic root of 240330406 is about 621.7315504956.

Adding to 240330406 its reverse (604033042), we get a palindrome (844363448).

The spelling of 240330406 in words is "two hundred forty million, three hundred thirty thousand, four hundred six".