440055109 has 16 divisors (see below), whose sum is σ = 479872512. Its totient is φ = 401119488.

The previous prime is 440055103. The next prime is 440055157. The reversal of 440055109 is 901550044.

It is a cyclic number.

It is not a de Polignac number, because 440055109 - 2³ = 440055101 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 (440055101) 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, 679824 + ... + 680470.

It is an arithmetic number, because the mean of its divisors is an integer number (29992032).

Almost surely, 2^440055109 is an apocalyptic number.

It is an amenable number.

440055109 is a deficient number, since it is larger than the sum of its proper divisors (39817403).

440055109 is a wasteful number, since it uses less digits than its factorization.

440055109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 440055109 is about 20977.4905315197. The cubic root of 440055109 is about 760.6222449035.

The spelling of 440055109 in words is "four hundred forty million, fifty-five thousand, one hundred nine".