11400448 has 18 divisors (see below), whose sum is σ = 22756874. Its totient is φ = 5700096.

The previous prime is 11400443. The next prime is 11400463. The reversal of 11400448 is 84400411.

It can be written as a sum of positive squares in only one way, i.e., 10036224 + 1364224 = 3168^2 + 1168^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22011 + ... + 22522.

Almost surely, 2^11400448 is an apocalyptic number.

It is an amenable number.

11400448 is a deficient number, since it is larger than the sum of its proper divisors (11356426).

11400448 is an frugal number, since it uses more digits than its factorization.

11400448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44549 (or 44535 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 11400448 is about 3376.4549456494. The cubic root of 11400448 is about 225.0646596059.

Adding to 11400448 its reverse (84400411), we get a palindrome (95800859).

The spelling of 11400448 in words is "eleven million, four hundred thousand, four hundred forty-eight".