11026540 has 96 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 3440640.

The previous prime is 11026537. The next prime is 11026553. The reversal of 11026540 is 4562011.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97524 + ... + 97636.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

Almost surely, 2^11026540 is an apocalyptic number.

11026540 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 11026540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14478912).

11026540 is an abundant number, since it is smaller than the sum of its proper divisors (17931284).

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

11026540 is a wasteful number, since it uses less digits than its factorization.

11026540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11026540 is about 3320.6234354410. The cubic root of 11026540 is about 222.5767273150.

Adding to 11026540 its reverse (4562011), we get a palindrome (15588551).

The spelling of 11026540 in words is "eleven million, twenty-six thousand, five hundred forty".