11028140 has 12 divisors (see below), whose sum is σ = 23159136. Its totient is φ = 4411248.

The previous prime is 11028131. The next prime is 11028161. The reversal of 11028140 is 4182011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275684 + ... + 275723.

It is an arithmetic number, because the mean of its divisors is an integer number (1929928).

Almost surely, 2^11028140 is an apocalyptic number.

11028140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11028140 is an abundant number, since it is smaller than the sum of its proper divisors (12130996).

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

11028140 is a wasteful number, since it uses less digits than its factorization.

11028140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551416 (or 551414 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 11028140 is about 3320.8643453173. The cubic root of 11028140 is about 222.5874924188.

The spelling of 11028140 in words is "eleven million, twenty-eight thousand, one hundred forty".