11243300240 has 40 divisors (see below), whose sum is σ = 26215639800. Its totient is φ = 4484422656.

The previous prime is 11243300227. The next prime is 11243300279. The reversal of 11243300240 is 4200334211.

It can be written as a sum of positive squares in 4 ways, for example, as 4704313744 + 6538986496 = 68588^2 + 80864^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173429 + ... + 229268.

It is an arithmetic number, because the mean of its divisors is an integer number (655390995).

Almost surely, 2^11243300240 is an apocalyptic number.

11243300240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11243300240 is an abundant number, since it is smaller than the sum of its proper divisors (14972339560).

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

11243300240 is a wasteful number, since it uses less digits than its factorization.

11243300240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403059 (or 403053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 11243300240 its reverse (4200334211), we get a palindrome (15443634451).

The spelling of 11243300240 in words is "eleven billion, two hundred forty-three million, three hundred thousand, two hundred forty".