109247040 has 168 divisors, whose sum is σ = 429524160. Its totient is φ = 24966144.

The previous prime is 109247027. The next prime is 109247041. The reversal of 109247040 is 40742901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a junction number, because it is equal to n+sod(n) for n = 109246995 and 109247013.

It is not an unprimeable number, because it can be changed into a prime (109247041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 17451 + ... + 22869.

Almost surely, 2^109247040 is an apocalyptic number.

109247040 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 109247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214762080).

109247040 is an abundant number, since it is smaller than the sum of its proper divisors (320277120).

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

109247040 is a wasteful number, since it uses less digits than its factorization.

109247040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 109247040 is about 10452.1308832219. The cubic root of 109247040 is about 478.0462248791.

Adding to 109247040 its reverse (40742901), we get a palindrome (149989941).

The spelling of 109247040 in words is "one hundred nine million, two hundred forty-seven thousand, forty".