11132440 has 32 divisors (see below), whose sum is σ = 27326160. Its totient is φ = 4048000.

The previous prime is 11132419. The next prime is 11132447. The reversal of 11132440 is 4423111.

11132440 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 (11132447) 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, 12211 + ... + 13090.

Almost surely, 2^11132440 is an apocalyptic number.

11132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11132440 is an abundant number, since it is smaller than the sum of its proper divisors (16193720).

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

11132440 is a wasteful number, since it uses less digits than its factorization.

11132440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25323 (or 25319 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 11132440 is about 3336.5311327785. The cubic root of 11132440 is about 223.2870080396.

Adding to 11132440 its reverse (4423111), we get a palindrome (15555551).

It can be divided in two parts, 1113 and 2440, that added together give a palindrome (3553).

The spelling of 11132440 in words is "eleven million, one hundred thirty-two thousand, four hundred forty".