4055104343421 has 12 divisors (see below), whose sum is σ = 6201924290172. Its totient is φ = 2544379195776.

The previous prime is 4055104343413. The next prime is 4055104343443. The reversal of 4055104343421 is 1243434015504.

4055104343421 is a `hidden beast` number, since 4 + 0 + 551 + 0 + 43 + 43 + 4 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2879517123396 + 1175587220025 = 1696914^2 + 1084245^2 .

It is not a de Polignac number, because 4055104343421 - 2³ = 4055104343413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055104343491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13251974826 + ... + 13251975131.

It is an arithmetic number, because the mean of its divisors is an integer number (516827024181).

Almost surely, 2^{4055104343421} is an apocalyptic number.

It is an amenable number.

4055104343421 is a deficient number, since it is larger than the sum of its proper divisors (2146819946751).

4055104343421 is a wasteful number, since it uses less digits than its factorization.

4055104343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26503949980 (or 26503949977 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 4055104343421 its reverse (1243434015504), we get a palindrome (5298538358925).

The spelling of 4055104343421 in words is "four trillion, fifty-five billion, one hundred four million, three hundred forty-three thousand, four hundred twenty-one".