8610440109 has 16 divisors (see below), whose sum is σ = 12180312000. Its totient is φ = 5391786240.

The previous prime is 8610440093. The next prime is 8610440131. The reversal of 8610440109 is 9010440168.

It is not a de Polignac number, because 8610440109 - 2⁴ = 8610440093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8610440109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8610440809) 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, 143722 + ... + 194619.

It is an arithmetic number, because the mean of its divisors is an integer number (761269500).

Almost surely, 2^8610440109 is an apocalyptic number.

It is an amenable number.

8610440109 is a deficient number, since it is larger than the sum of its proper divisors (3569871891).

8610440109 is a wasteful number, since it uses less digits than its factorization.

8610440109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338860.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8610440109 is about 92792.4571772943. The cubic root of 8610440109 is about 2049.6283370638.

The spelling of 8610440109 in words is "eight billion, six hundred ten million, four hundred forty thousand, one hundred nine".