11022040 has 32 divisors (see below), whose sum is σ = 25155360. Its totient is φ = 4345600.

The previous prime is 11022023. The next prime is 11022043. The reversal of 11022040 is 4022011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900 + ... + 4780.

It is an arithmetic number, because the mean of its divisors is an integer number (786105).

Almost surely, 2^11022040 is an apocalyptic number.

11022040 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 11022040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12577680).

11022040 is an abundant number, since it is smaller than the sum of its proper divisors (14133320).

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

11022040 is a wasteful number, since it uses less digits than its factorization.

11022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 11022040 is about 3319.9457826898. The cubic root of 11022040 is about 222.5464448766.

Adding to 11022040 its reverse (4022011), we get a palindrome (15044051).

The spelling of 11022040 in words is "eleven million, twenty-two thousand, forty".