13440053225 has 24 divisors (see below), whose sum is σ = 16832131008. Its totient is φ = 10645128000.

The previous prime is 13440053117. The next prime is 13440053233. The reversal of 13440053225 is 52235004431.

It is a happy number.

It is not a de Polignac number, because 13440053225 - 2¹⁸ = 13439791081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153127 + ... + 1164723.

It is an arithmetic number, because the mean of its divisors is an integer number (701338792).

Almost surely, 2^13440053225 is an apocalyptic number.

It is an amenable number.

13440053225 is a deficient number, since it is larger than the sum of its proper divisors (3392077783).

13440053225 is a wasteful number, since it uses less digits than its factorization.

13440053225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065 (or 12060 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13440053225 its reverse (52235004431), we get a palindrome (65675057656).

The spelling of 13440053225 in words is "thirteen billion, four hundred forty million, fifty-three thousand, two hundred twenty-five".