11240644 has 6 divisors (see below), whose sum is σ = 19671134. Its totient is φ = 5620320.

The previous prime is 11240641. The next prime is 11240659. The reversal of 11240644 is 44604211.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 743044 = 3240^2 + 862^2 .

It is not an unprimeable number, because it can be changed into a prime (11240641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405077 + ... + 1405084.

Almost surely, 2^11240644 is an apocalyptic number.

It is an amenable number.

11240644 is a deficient number, since it is larger than the sum of its proper divisors (8430490).

11240644 is a wasteful number, since it uses less digits than its factorization.

11240644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810165 (or 2810163 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 11240644 is about 3352.7069660201. The cubic root of 11240644 is about 224.0081045112.

Adding to 11240644 its reverse (44604211), we get a palindrome (55844855).

The spelling of 11240644 in words is "eleven million, two hundred forty thousand, six hundred forty-four".