11023240 has 16 divisors (see below), whose sum is σ = 24802380. Its totient is φ = 4409280.

The previous prime is 11023231. The next prime is 11023253. The reversal of 11023240 is 4232011.

It can be written as a sum of positive squares in 2 ways, for example, as 9597604 + 1425636 = 3098^2 + 1194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11023240.

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, 137751 + ... + 137830.

Almost surely, 2^11023240 is an apocalyptic number.

11023240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11023240 is an abundant number, since it is smaller than the sum of its proper divisors (13779140).

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

11023240 is a wasteful number, since it uses less digits than its factorization.

11023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275592 (or 275588 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 11023240 is about 3320.1265036140. The cubic root of 11023240 is about 222.5545209993.

Adding to 11023240 its reverse (4232011), we get a palindrome (15255251).

The spelling of 11023240 in words is "eleven million, twenty-three thousand, two hundred forty".