11240380 has 12 divisors (see below), whose sum is σ = 23604840. Its totient is φ = 4496144.

The previous prime is 11240347. The next prime is 11240387. The reversal of 11240380 is 8304211.

It is a super-2 number, since 2×11240380² = 252692285088800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280990 + ... + 281029.

It is an arithmetic number, because the mean of its divisors is an integer number (1967070).

Almost surely, 2^11240380 is an apocalyptic number.

11240380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11240380 is an abundant number, since it is smaller than the sum of its proper divisors (12364460).

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

11240380 is a wasteful number, since it uses less digits than its factorization.

11240380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562028 (or 562026 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11240380 is about 3352.6675946178. The cubic root of 11240380 is about 224.0063507978.

Adding to 11240380 its reverse (8304211), we get a palindrome (19544591).

The spelling of 11240380 in words is "eleven million, two hundred forty thousand, three hundred eighty".