13440420314 has 4 divisors (see below), whose sum is σ = 20160630474. Its totient is φ = 6720210156.

The previous prime is 13440420307. The next prime is 13440420341. The reversal of 13440420314 is 41302404431.

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

It can be written as a sum of positive squares in only one way, i.e., 13436287225 + 4133089 = 115915^2 + 2033^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360105077 + ... + 3360105080.

Almost surely, 2^13440420314 is an apocalyptic number.

13440420314 is a deficient number, since it is larger than the sum of its proper divisors (6720210160).

13440420314 is an equidigital number, since it uses as much as digits as its factorization.

13440420314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720210159.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13440420314 its reverse (41302404431), we get a palindrome (54742824745).

The spelling of 13440420314 in words is "thirteen billion, four hundred forty million, four hundred twenty thousand, three hundred fourteen".