11400445 has 16 divisors (see below), whose sum is σ = 15700608. Its totient is φ = 7784640.

The previous prime is 11400443. The next prime is 11400463. The reversal of 11400445 is 54400411.

It is not a de Polignac number, because 11400445 - 2¹ = 11400443 is a prime.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10215 + ... + 11275.

It is an arithmetic number, because the mean of its divisors is an integer number (981288).

Almost surely, 2^11400445 is an apocalyptic number.

It is an amenable number.

11400445 is a deficient number, since it is larger than the sum of its proper divisors (4300163).

11400445 is a wasteful number, since it uses less digits than its factorization.

11400445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 11400445 is about 3376.4545013964. The cubic root of 11400445 is about 225.0646398642.

Adding to 11400445 its reverse (54400411), we get a palindrome (65800856).

The spelling of 11400445 in words is "eleven million, four hundred thousand, four hundred forty-five".