4440034234421 has 4 divisors (see below), whose sum is σ = 4446631611372. Its totient is φ = 4433436857472.

The previous prime is 4440034234411. The next prime is 4440034234423. The reversal of 4440034234421 is 1244324300444.

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 3411726691396 + 1028307543025 = 1847086^2 + 1014055^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440034234421 - 2⁶ = 4440034234357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440034234423) 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, 3298687466 + ... + 3298688811.

It is an arithmetic number, because the mean of its divisors is an integer number (1111657902843).

Almost surely, 2^{4440034234421} is an apocalyptic number.

It is an amenable number.

4440034234421 is a deficient number, since it is larger than the sum of its proper divisors (6597376951).

4440034234421 is an equidigital number, since it uses as much as digits as its factorization.

4440034234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597376950.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 4440034234421 its reverse (1244324300444), we get a palindrome (5684358534865).

The spelling of 4440034234421 in words is "four trillion, four hundred forty billion, thirty-four million, two hundred thirty-four thousand, four hundred twenty-one".