13440055352 has 16 divisors (see below), whose sum is σ = 25218478440. Its totient is φ = 6715127776.

The previous prime is 13440055351. The next prime is 13440055393. The reversal of 13440055352 is 25355004431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440055351) 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, 600818 + ... + 622785.

Almost surely, 2^13440055352 is an apocalyptic number.

It is an amenable number.

13440055352 is a deficient number, since it is larger than the sum of its proper divisors (11778423088).

13440055352 is a wasteful number, since it uses less digits than its factorization.

13440055352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224982 (or 1224978 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 13440055352 its reverse (25355004431), we get a palindrome (38795059783).

The spelling of 13440055352 in words is "thirteen billion, four hundred forty million, fifty-five thousand, three hundred fifty-two".