13445540535544 has 32 divisors (see below), whose sum is σ = 27594725387040. Its totient is φ = 6103902384000.

The previous prime is 13445540535541. The next prime is 13445540535587. The reversal of 13445540535544 is 44553504554431.

13445540535544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 13445540535491 and 13445540535500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445540535541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059698932 + ... + 1059711619.

It is an arithmetic number, because the mean of its divisors is an integer number (862335168345).

Almost surely, 2^{13445540535544} is an apocalyptic number.

It is an amenable number.

13445540535544 is an abundant number, since it is smaller than the sum of its proper divisors (14149184851496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13445540535544 is a wasteful number, since it uses less digits than its factorization.

13445540535544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119410631 (or 2119410627 counting only the distinct ones).

The product of its (nonzero) digits is 28800000, while the sum is 52.

The spelling of 13445540535544 in words is "thirteen trillion, four hundred forty-five billion, five hundred forty million, five hundred thirty-five thousand, five hundred forty-four".