11240440234 has 32 divisors (see below), whose sum is σ = 17700691536. Its totient is φ = 5347630080.

The previous prime is 11240440231. The next prime is 11240440247. The reversal of 11240440234 is 43204404211.

It can be written as a sum of positive squares in 8 ways, for example, as 9800010025 + 1440430209 = 98995^2 + 37953^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11240440199 and 11240440208.

It is not an unprimeable number, because it can be changed into a prime (11240440231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238754 + ... + 1247794.

Almost surely, 2^11240440234 is an apocalyptic number.

11240440234 is a deficient number, since it is larger than the sum of its proper divisors (6460251302).

11240440234 is a wasteful number, since it uses less digits than its factorization.

11240440234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 11240440234 its reverse (43204404211), we get a palindrome (54444844445).

The spelling of 11240440234 in words is "eleven billion, two hundred forty million, four hundred forty thousand, two hundred thirty-four".