13401252252448 has 24 divisors (see below), whose sum is σ = 26383960104012. Its totient is φ = 6700563972096.

The previous prime is 13401252252431. The next prime is 13401252252481. The reversal of 13401252252448 is 84425225210431.

It can be written as a sum of positive squares in 2 ways, for example, as 13003611026704 + 397641225744 = 3606052^2 + 630588^2 .

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, 1664436 + ... + 5438092.

Almost surely, 2^{13401252252448} is an apocalyptic number.

It is an amenable number.

13401252252448 is a deficient number, since it is larger than the sum of its proper divisors (12982707851564).

13401252252448 is a wasteful number, since it uses less digits than its factorization.

13401252252448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884644 (or 3884636 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 43.

Adding to 13401252252448 its reverse (84425225210431), we get a palindrome (97826477462879).

The spelling of 13401252252448 in words is "thirteen trillion, four hundred one billion, two hundred fifty-two million, two hundred fifty-two thousand, four hundred forty-eight".