4421340401 has 4 divisors (see below), whose sum is σ = 4504761972. Its totient is φ = 4337918832.

The previous prime is 4421340397. The next prime is 4421340403. The reversal of 4421340401 is 1040431244.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3986659600 + 434680801 = 63140^2 + 20849^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421340401 - 2² = 4421340397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421340403) 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, 41710706 + ... + 41710811.

It is an arithmetic number, because the mean of its divisors is an integer number (1126190493).

Almost surely, 2^4421340401 is an apocalyptic number.

It is an amenable number.

4421340401 is a deficient number, since it is larger than the sum of its proper divisors (83421571).

4421340401 is an equidigital number, since it uses as much as digits as its factorization.

4421340401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83421570.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4421340401 is about 66493.1605580604. The cubic root of 4421340401 is about 1641.2874583241.

Adding to 4421340401 its reverse (1040431244), we get a palindrome (5461771645).

The spelling of 4421340401 in words is "four billion, four hundred twenty-one million, three hundred forty thousand, four hundred one".