4140055 has 4 divisors (see below), whose sum is σ = 4968072. Its totient is φ = 3312040.

The previous prime is 4140053. The next prime is 4140077. The reversal of 4140055 is 5500414.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4140055 - 2¹ = 4140053 is a prime.

It is a Duffinian number.

4140055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414001 + ... + 414010.

It is an arithmetic number, because the mean of its divisors is an integer number (1242018).

Almost surely, 2^4140055 is an apocalyptic number.

4140055 is a deficient number, since it is larger than the sum of its proper divisors (828017).

4140055 is an equidigital number, since it uses as much as digits as its factorization.

4140055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828016.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4140055 is about 2034.7125104053. The cubic root of 4140055 is about 160.5715884226.

Adding to 4140055 its reverse (5500414), we get a palindrome (9640469).

The spelling of 4140055 in words is "four million, one hundred forty thousand, fifty-five".