4400420343 has 16 divisors (see below), whose sum is σ = 6401882496. Its totient is φ = 2666391840.

The previous prime is 4400420341. The next prime is 4400420377. The reversal of 4400420343 is 3430240044.

It is a happy number.

It is not a de Polignac number, because 4400420343 - 2¹ = 4400420341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400420341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213321 + ... + 233037.

It is an arithmetic number, because the mean of its divisors is an integer number (400117656).

Almost surely, 2^4400420343 is an apocalyptic number.

4400420343 is a deficient number, since it is larger than the sum of its proper divisors (2001462153).

4400420343 is a wasteful number, since it uses less digits than its factorization.

4400420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26494.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4400420343 is about 66335.6641860169. The cubic root of 4400420343 is about 1638.6947207459.

Adding to 4400420343 its reverse (3430240044), we get a palindrome (7830660387).

The spelling of 4400420343 in words is "four billion, four hundred million, four hundred twenty thousand, three hundred forty-three".