109841040 has 120 divisors (see below), whose sum is σ = 370776120. Its totient is φ = 29140992.

The previous prime is 109841027. The next prime is 109841051. The reversal of 109841040 is 40148901.

It can be written as a sum of positive squares in 4 ways, for example, as 33732864 + 76108176 = 5808^2 + 8724^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 109840995 and 109841013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268356 + ... + 268764.

It is an arithmetic number, because the mean of its divisors is an integer number (3089801).

Almost surely, 2^109841040 is an apocalyptic number.

109841040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109841040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185388060).

109841040 is an abundant number, since it is smaller than the sum of its proper divisors (260935080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109841040 is a wasteful number, since it uses less digits than its factorization.

109841040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 109841040 is about 10480.5076212939. The cubic root of 109841040 is about 478.9110731981.

Adding to 109841040 its reverse (40148901), we get a palindrome (149989941).

The spelling of 109841040 in words is "one hundred nine million, eight hundred forty-one thousand, forty".