4243440133405 has 32 divisors (see below), whose sum is σ = 5569851879936. Its totient is φ = 3077919360000.

The previous prime is 4243440133397. The next prime is 4243440133421. The reversal of 4243440133405 is 5043310443424.

It is not a de Polignac number, because 4243440133405 - 2³ = 4243440133397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72531765 + ... + 72590245.

It is an arithmetic number, because the mean of its divisors is an integer number (174057871248).

Almost surely, 2^{4243440133405} is an apocalyptic number.

It is an amenable number.

4243440133405 is a deficient number, since it is larger than the sum of its proper divisors (1326411746531).

4243440133405 is a wasteful number, since it uses less digits than its factorization.

4243440133405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61989.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 4243440133405 its reverse (5043310443424), we get a palindrome (9286750576829).

The spelling of 4243440133405 in words is "four trillion, two hundred forty-three billion, four hundred forty million, one hundred thirty-three thousand, four hundred five".