11240404 has 18 divisors (see below), whose sum is σ = 22882650. Its totient is φ = 4817232.

The previous prime is 11240401. The next prime is 11240423. The reversal of 11240404 is 40404211.

11240404 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 only one way, i.e., 9922500 + 1317904 = 3150^2 + 1148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28479 + ... + 28870.

Almost surely, 2^11240404 is an apocalyptic number.

11240404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11240404 is an abundant number, since it is smaller than the sum of its proper divisors (11642246).

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

11240404 is a wasteful number, since it uses less digits than its factorization.

11240404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57367 (or 57358 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 11240404 is about 3352.6711738553. The cubic root of 11240404 is about 224.0065102275.

Adding to 11240404 its reverse (40404211), we get a palindrome (51644615).

The spelling of 11240404 in words is "eleven million, two hundred forty thousand, four hundred four".