11304040 has 64 divisors (see below), whose sum is σ = 28978560. Its totient is φ = 3928320.

The previous prime is 11304001. The next prime is 11304049. The reversal of 11304040 is 4040311.

11304040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11304040³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11304040.

It is not an unprimeable number, because it can be changed into a prime (11304049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9562 + ... + 10678.

It is an arithmetic number, because the mean of its divisors is an integer number (452790).

Almost surely, 2^11304040 is an apocalyptic number.

11304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11304040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14489280).

11304040 is an abundant number, since it is smaller than the sum of its proper divisors (17674520).

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

11304040 is a wasteful number, since it uses less digits than its factorization.

11304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1158 counting only the distinct ones).

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

The square root of 11304040 is about 3362.1481228524. The cubic root of 11304040 is about 224.4284423305.

Adding to 11304040 its reverse (4040311), we get a palindrome (15344351).

The spelling of 11304040 in words is "eleven million, three hundred four thousand, forty".