11027840 has 32 divisors (see below), whose sum is σ = 26364960. Its totient is φ = 4410880.

The previous prime is 11027839. The next prime is 11027873. The reversal of 11027840 is 4872011.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×11027840² = 243226510131200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7976 + ... + 9255.

It is an arithmetic number, because the mean of its divisors is an integer number (823905).

Almost surely, 2^11027840 is an apocalyptic number.

11027840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11027840 is an abundant number, since it is smaller than the sum of its proper divisors (15337120).

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

11027840 is an equidigital number, since it uses as much as digits as its factorization.

11027840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17250 (or 17238 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 11027840 is about 3320.8191760468. The cubic root of 11027840 is about 222.5854740411.

Adding to 11027840 its reverse (4872011), we get a palindrome (15899851).

The spelling of 11027840 in words is "eleven million, twenty-seven thousand, eight hundred forty".