240324421 has 8 divisors (see below), whose sum is σ = 252115200. Its totient is φ = 228767280.

The previous prime is 240324391. The next prime is 240324433. The reversal of 240324421 is 124423042.

It is a happy number.

240324421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240324421 - 2¹¹ = 240322373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240324392 and 240324401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240324481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56301 + ... + 60418.

It is an arithmetic number, because the mean of its divisors is an integer number (31514400).

Almost surely, 2^240324421 is an apocalyptic number.

It is an amenable number.

240324421 is a deficient number, since it is larger than the sum of its proper divisors (11790779).

240324421 is a wasteful number, since it uses less digits than its factorization.

240324421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116819.

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

The square root of 240324421 is about 15502.4004915368. The cubic root of 240324421 is about 621.7263894144.

Adding to 240324421 its reverse (124423042), we get a palindrome (364747463).

The spelling of 240324421 in words is "two hundred forty million, three hundred twenty-four thousand, four hundred twenty-one".