240424014421 has 4 divisors (see below), whose sum is σ = 240868421644. Its totient is φ = 239979607200.

The previous prime is 240424014401. The next prime is 240424014451. The reversal of 240424014421 is 124410424042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124410424042 = 2 ⋅62205212021.

It can be written as a sum of positive squares in 2 ways, for example, as 95178420100 + 145245594321 = 308510^2 + 381111^2 .

It is a cyclic number.

It is not a de Polignac number, because 240424014421 - 2⁹ = 240424013909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240424014421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240424014401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222202800 + ... + 222203881.

It is an arithmetic number, because the mean of its divisors is an integer number (60217105411).

Almost surely, 2^240424014421 is an apocalyptic number.

It is an amenable number.

240424014421 is a deficient number, since it is larger than the sum of its proper divisors (444407223).

240424014421 is an equidigital number, since it uses as much as digits as its factorization.

240424014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444407222.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 240424014421 its reverse (124410424042), we get a palindrome (364834438463).

The spelling of 240424014421 in words is "two hundred forty billion, four hundred twenty-four million, fourteen thousand, four hundred twenty-one".