13440401995 has 8 divisors (see below), whose sum is σ = 16154796816. Its totient is φ = 10734778656.

The previous prime is 13440401993. The next prime is 13440402013. The reversal of 13440401995 is 59910404431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13440401995 - 2¹ = 13440401993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13440401993) 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 7 ways as a sum of consecutive naturals, for example, 2189497 + ... + 2195626.

It is an arithmetic number, because the mean of its divisors is an integer number (2019349602).

Almost surely, 2^13440401995 is an apocalyptic number.

13440401995 is a deficient number, since it is larger than the sum of its proper divisors (2714394821).

13440401995 is an equidigital number, since it uses as much as digits as its factorization.

13440401995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385741.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 13440401995 in words is "thirteen billion, four hundred forty million, four hundred one thousand, nine hundred ninety-five".