13040305552 has 20 divisors (see below), whose sum is σ = 25693824240. Its totient is φ = 6409641248.

The previous prime is 13040305459. The next prime is 13040305601. The reversal of 13040305552 is 25550304031.

It is a self number, because there is not a number n which added to its sum of digits gives 13040305552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6905998 + ... + 6907885.

It is an arithmetic number, because the mean of its divisors is an integer number (1284691212).

Almost surely, 2^13040305552 is an apocalyptic number.

It is an amenable number.

13040305552 is a deficient number, since it is larger than the sum of its proper divisors (12653518688).

13040305552 is a wasteful number, since it uses less digits than its factorization.

13040305552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813950 (or 13813944 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 13040305552 its reverse (25550304031), we get a palindrome (38590609583).

The spelling of 13040305552 in words is "thirteen billion, forty million, three hundred five thousand, five hundred fifty-two".