11028040 has 32 divisors (see below), whose sum is σ = 25894080. Its totient is φ = 4219072.

The previous prime is 11028023. The next prime is 11028041. The reversal of 11028040 is 4082011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11028041) 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, 5074 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (809190).

Almost surely, 2^11028040 is an apocalyptic number.

11028040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11028040 is an abundant number, since it is smaller than the sum of its proper divisors (14866040).

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

11028040 is a wasteful number, since it uses less digits than its factorization.

11028040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12021 (or 12017 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 11028040 is about 3320.8492889621. The cubic root of 11028040 is about 222.5868196303.

The spelling of 11028040 in words is "eleven million, twenty-eight thousand, forty".