13403436124444 has 12 divisors (see below), whose sum is σ = 23516311455000. Its totient is φ = 6684489994448.

The previous prime is 13403436124399. The next prime is 13403436124447. The reversal of 13403436124444 is 44442163430431.

It is a self number, because there is not a number n which added to its sum of digits gives 13403436124444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403436124447) 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, 4307015194 + ... + 4307018305.

It is an arithmetic number, because the mean of its divisors is an integer number (1959692621250).

Almost surely, 2^{13403436124444} is an apocalyptic number.

It is an amenable number.

13403436124444 is a deficient number, since it is larger than the sum of its proper divisors (10112875330556).

13403436124444 is a wasteful number, since it uses less digits than its factorization.

13403436124444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614033892 (or 8614033890 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 43.

Adding to 13403436124444 its reverse (44442163430431), we get a palindrome (57845599554875).

The spelling of 13403436124444 in words is "thirteen trillion, four hundred three billion, four hundred thirty-six million, one hundred twenty-four thousand, four hundred forty-four".