11243040 has 96 divisors (see below), whose sum is σ = 36106560. Its totient is φ = 2939904.

The previous prime is 11243009. The next prime is 11243047. The reversal of 11243040 is 4034211.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243047) 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, 28122 + ... + 28518.

It is an arithmetic number, because the mean of its divisors is an integer number (376110).

Almost surely, 2^11243040 is an apocalyptic number.

11243040 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 11243040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18053280).

11243040 is an abundant number, since it is smaller than the sum of its proper divisors (24863520).

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

11243040 is a wasteful number, since it uses less digits than its factorization.

11243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 11243040 is about 3353.0642701863. The cubic root of 11243040 is about 224.0240195331.

Adding to 11243040 its reverse (4034211), we get a palindrome (15277251).

The spelling of 11243040 in words is "eleven million, two hundred forty-three thousand, forty".