10909040 has 40 divisors (see below), whose sum is σ = 26702160. Its totient is φ = 4133376.

The previous prime is 10909037. The next prime is 10909049. The reversal of 10909040 is 4090901.

10909040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 10908997 and 10909015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10909049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069 + ... + 5108.

It is an arithmetic number, because the mean of its divisors is an integer number (667554).

Almost surely, 2^10909040 is an apocalyptic number.

10909040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10909040 is an abundant number, since it is smaller than the sum of its proper divisors (15793120).

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

10909040 is a wasteful number, since it uses less digits than its factorization.

10909040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209 (or 7203 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 10909040 is about 3302.8835886237. The cubic root of 10909040 is about 221.7833017888.

Adding to 10909040 its reverse (4090901), we get a palindrome (14999941).

The spelling of 10909040 in words is "ten million, nine hundred nine thousand, forty".