240414421 has 8 divisors (see below), whose sum is σ = 259028280. Its totient is φ = 221817792.

The previous prime is 240414407. The next prime is 240414431. The reversal of 240414421 is 124414042.

It can be written as a sum of positive squares in 4 ways, for example, as 75933796 + 164480625 = 8714^2 + 12825^2 .

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 240414421 - 2⁹ = 240413909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240414392 and 240414401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240414401) 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, 52791 + ... + 57163.

It is an arithmetic number, because the mean of its divisors is an integer number (32378535).

Almost surely, 2^240414421 is an apocalyptic number.

It is an amenable number.

240414421 is a deficient number, since it is larger than the sum of its proper divisors (18613859).

240414421 is a wasteful number, since it uses less digits than its factorization.

240414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 240414421 is about 15505.3029960720. The cubic root of 240414421 is about 621.8039906160.

Adding to 240414421 its reverse (124414042), we get a palindrome (364828463).

The spelling of 240414421 in words is "two hundred forty million, four hundred fourteen thousand, four hundred twenty-one".