11204240 has 20 divisors (see below), whose sum is σ = 26050044. Its totient is φ = 4481664.

The previous prime is 11204231. The next prime is 11204257. The reversal of 11204240 is 4240211.

11204240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3564544 + 7639696 = 1888^2 + 2764^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 69947 + ... + 70106.

Almost surely, 2^11204240 is an apocalyptic number.

11204240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11204240 is an abundant number, since it is smaller than the sum of its proper divisors (14845804).

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

11204240 is a wasteful number, since it uses less digits than its factorization.

11204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140066 (or 140060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 11204240 is about 3347.2735173571. The cubic root of 11204240 is about 223.7660184323.

Adding to 11204240 its reverse (4240211), we get a palindrome (15444451).

The spelling of 11204240 in words is "eleven million, two hundred four thousand, two hundred forty".