8440055 has 16 divisors (see below), whose sum is σ = 11176704. Its totient is φ = 6078720.

The previous prime is 8440043. The next prime is 8440063. The reversal of 8440055 is 5500448.

It is not a de Polignac number, because 8440055 - 2¹⁴ = 8423671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082 + ... + 4248.

It is an arithmetic number, because the mean of its divisors is an integer number (698544).

Almost surely, 2^8440055 is an apocalyptic number.

8440055 is a deficient number, since it is larger than the sum of its proper divisors (2736649).

8440055 is a wasteful number, since it uses less digits than its factorization.

8440055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 8440055 is about 2905.1772751417. The cubic root of 8440055 is about 203.6018683175.

The spelling of 8440055 in words is "eight million, four hundred forty thousand, fifty-five".