11027940 has 216 divisors, whose sum is σ = 40755456. Its totient is φ = 2217600.

The previous prime is 11027921. The next prime is 11027957. The reversal of 11027940 is 4972011.

11027940 = T₆₄ + T₆₅ + ... + T₄₀₄.

It is a self number, because there is not a number n which added to its sum of digits gives 11027940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 355725 + ... + 355755.

Almost surely, 2^11027940 is an apocalyptic number.

11027940 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 11027940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20377728).

11027940 is an abundant number, since it is smaller than the sum of its proper divisors (29727516).

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

11027940 is a wasteful number, since it uses less digits than its factorization.

11027940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11027940 is about 3320.8342325386. The cubic root of 11027940 is about 222.5861468377.

Adding to 11027940 its reverse (4972011), we get a palindrome (15999951).

The spelling of 11027940 in words is "eleven million, twenty-seven thousand, nine hundred forty".