13340403044401 has 4 divisors (see below), whose sum is σ = 13341304620532. Its totient is φ = 13339501468272.

The previous prime is 13340403044351. The next prime is 13340403044413. The reversal of 13340403044401 is 10444030404331.

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 8337916127025 + 5002486917376 = 2887545^2 + 2236624^2 .

It is a cyclic number.

It is not a de Polignac number, because 13340403044401 - 2¹³ = 13340403036209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340403014401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450765870 + ... + 450795463.

It is an arithmetic number, because the mean of its divisors is an integer number (3335326155133).

Almost surely, 2^{13340403044401} is an apocalyptic number.

It is an amenable number.

13340403044401 is a deficient number, since it is larger than the sum of its proper divisors (901576131).

13340403044401 is an equidigital number, since it uses as much as digits as its factorization.

13340403044401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901576130.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 13340403044401 its reverse (10444030404331), we get a palindrome (23784433448732).

The spelling of 13340403044401 in words is "thirteen trillion, three hundred forty billion, four hundred three million, forty-four thousand, four hundred one".