11040303220 has 24 divisors (see below), whose sum is σ = 23196353544. Its totient is φ = 4413889536.

The previous prime is 11040303193. The next prime is 11040303257. The reversal of 11040303220 is 2230304011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5039012196 + 6001291024 = 70986^2 + 77468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11040303194 and 11040303203.

It is a congruent number.

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, 98629 + ... + 178348.

It is an arithmetic number, because the mean of its divisors is an integer number (966514731).

Almost surely, 2^11040303220 is an apocalyptic number.

11040303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11040303220 is an abundant number, since it is smaller than the sum of its proper divisors (12156050324).

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

11040303220 is a wasteful number, since it uses less digits than its factorization.

11040303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278979 (or 278977 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11040303220 its reverse (2230304011), we get a palindrome (13270607231).

The spelling of 11040303220 in words is "eleven billion, forty million, three hundred three thousand, two hundred twenty".