13440400210 has 16 divisors (see below), whose sum is σ = 24235248600. Its totient is φ = 5366709376.

The previous prime is 13440400201. The next prime is 13440400213. The reversal of 13440400210 is 1200404431.

It can be written as a sum of positive squares in 4 ways, for example, as 5559044481 + 7881355729 = 74559^2 + 88777^2 .

It is not an unprimeable number, because it can be changed into a prime (13440400213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175365 + ... + 1186744.

Almost surely, 2^13440400210 is an apocalyptic number.

13440400210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13440400210 is a deficient number, since it is larger than the sum of its proper divisors (10794848390).

13440400210 is a wasteful number, since it uses less digits than its factorization.

13440400210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362685.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13440400210 its reverse (1200404431), we get a palindrome (14640804641).

The spelling of 13440400210 in words is "thirteen billion, four hundred forty million, four hundred thousand, two hundred ten".