11032840 has 96 divisors (see below), whose sum is σ = 31169880. Its totient is φ = 3483648.

The previous prime is 11032837. The next prime is 11032841. The reversal of 11032840 is 4823011.

It can be written as a sum of positive squares in 4 ways, for example, as 4468996 + 6563844 = 2114^2 + 2562^2 .

It is not an unprimeable number, because it can be changed into a prime (11032841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25264 + ... + 25696.

Almost surely, 2^11032840 is an apocalyptic number.

11032840 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 11032840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15584940).

11032840 is an abundant number, since it is smaller than the sum of its proper divisors (20137040).

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

11032840 is a wasteful number, since it uses less digits than its factorization.

11032840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11032840 is about 3321.5719170296. The cubic root of 11032840 is about 222.6191088905.

Adding to 11032840 its reverse (4823011), we get a palindrome (15855851).

The spelling of 11032840 in words is "eleven million, thirty-two thousand, eight hundred forty".