11043240240 has 160 divisors (see below), whose sum is σ = 35840848896. Its totient is φ = 2807495680.

The previous prime is 11043240193. The next prime is 11043240251. The reversal of 11043240240 is 4204234011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1746685 + ... + 1752995.

Almost surely, 2^11043240240 is an apocalyptic number.

11043240240 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 11043240240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17920424448).

11043240240 is an abundant number, since it is smaller than the sum of its proper divisors (24797608656).

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

11043240240 is a wasteful number, since it uses less digits than its factorization.

11043240240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 11043240240 its reverse (4204234011), we get a palindrome (15247474251).

It can be divided in two parts, 110 and 43240240, that added together give a triangular number (43240350 = T₉₂₉₉).

The spelling of 11043240240 in words is "eleven billion, forty-three million, two hundred forty thousand, two hundred forty".