13400445541 has 16 divisors (see below), whose sum is σ = 16531718400. Its totient is φ = 10607845248.

The previous prime is 13400445529. The next prime is 13400445581. The reversal of 13400445541 is 14554400431.

It is not a de Polignac number, because 13400445541 - 2¹⁷ = 13400314469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400445581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430376 + ... + 1439713.

It is an arithmetic number, because the mean of its divisors is an integer number (1033232400).

Almost surely, 2^13400445541 is an apocalyptic number.

It is an amenable number.

13400445541 is a deficient number, since it is larger than the sum of its proper divisors (3131272859).

13400445541 is a wasteful number, since it uses less digits than its factorization.

13400445541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870148.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 13400445541 its reverse (14554400431), we get a palindrome (27954845972).

The spelling of 13400445541 in words is "thirteen billion, four hundred million, four hundred forty-five thousand, five hundred forty-one".