11490240 has 56 divisors (see below), whose sum is σ = 36484560. Its totient is φ = 3063808.

The previous prime is 11490229. The next prime is 11490247. The reversal of 11490240 is 4209411.

11490240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5025 + ... + 6944.

It is an arithmetic number, because the mean of its divisors is an integer number (651510).

Almost surely, 2^11490240 is an apocalyptic number.

11490240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11490240 is an abundant number, since it is smaller than the sum of its proper divisors (24994320).

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

11490240 is a wasteful number, since it uses less digits than its factorization.

11490240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11989 (or 11979 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11490240 is about 3389.7256526156. The cubic root of 11490240 is about 225.6539984418.

Adding to 11490240 its reverse (4209411), we get a palindrome (15699651).

The spelling of 11490240 in words is "eleven million, four hundred ninety thousand, two hundred forty".