11000044240 has 40 divisors (see below), whose sum is σ = 25639597800. Its totient is φ = 4388921856.

The previous prime is 11000044207. The next prime is 11000044249. The reversal of 11000044240 is 4244000011.

It can be written as a sum of positive squares in 4 ways, for example, as 2278725696 + 8721318544 = 47736^2 + 93388^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000044249) 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, 141415 + ... + 204934.

It is an arithmetic number, because the mean of its divisors is an integer number (640989945).

Almost surely, 2^11000044240 is an apocalyptic number.

11000044240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000044240 is an abundant number, since it is smaller than the sum of its proper divisors (14639553560).

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

11000044240 is a wasteful number, since it uses less digits than its factorization.

11000044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346759 (or 346753 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11000044240 its reverse (4244000011), we get a palindrome (15244044251).

The spelling of 11000044240 in words is "eleven billion, forty-four thousand, two hundred forty".