2440421441 has 4 divisors (see below), whose sum is σ = 2497175472. Its totient is φ = 2383667412.

The previous prime is 2440421429. The next prime is 2440421479. The reversal of 2440421441 is 1441240442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1441240442 = 2 ⋅720620221.

It is a cyclic number.

It is not a de Polignac number, because 2440421441 - 2⁶ = 2440421377 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 2440421441.

It is not an unprimeable number, because it can be changed into a prime (2440421491) by changing a digit.

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, 28376951 + ... + 28377036.

It is an arithmetic number, because the mean of its divisors is an integer number (624293868).

Almost surely, 2^2440421441 is an apocalyptic number.

It is an amenable number.

2440421441 is a deficient number, since it is larger than the sum of its proper divisors (56754031).

2440421441 is an equidigital number, since it uses as much as digits as its factorization.

2440421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56754030.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 2440421441 is about 49400.6218685555. The cubic root of 2440421441 is about 1346.3406046176.

Adding to 2440421441 its reverse (1441240442), we get a palindrome (3881661883).

The spelling of 2440421441 in words is "two billion, four hundred forty million, four hundred twenty-one thousand, four hundred forty-one".