11288240 has 40 divisors (see below), whose sum is σ = 26449200. Its totient is φ = 4480256.

The previous prime is 11288237. The next prime is 11288267. The reversal of 11288240 is 4288211.

11288240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 11447 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (661230).

Almost surely, 2^11288240 is an apocalyptic number.

11288240 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 11288240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13224600).

11288240 is an abundant number, since it is smaller than the sum of its proper divisors (15160960).

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

11288240 is a wasteful number, since it uses less digits than its factorization.

11288240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 11288240 is about 3359.7976129523. The cubic root of 11288240 is about 224.3238300923.

The spelling of 11288240 in words is "eleven million, two hundred eighty-eight thousand, two hundred forty".