11045442400 has 36 divisors (see below), whose sum is σ = 26964688212. Its totient is φ = 4418176640.

The previous prime is 11045442347. The next prime is 11045442403. The reversal of 11045442400 is 424454011.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045442403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6902602 + ... + 6904201.

It is an arithmetic number, because the mean of its divisors is an integer number (749019117).

Almost surely, 2^11045442400 is an apocalyptic number.

11045442400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11045442400 is an abundant number, since it is smaller than the sum of its proper divisors (15919245812).

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

11045442400 is a wasteful number, since it uses less digits than its factorization.

11045442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13806823 (or 13806810 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 11045442400 its reverse (424454011), we get a palindrome (11469896411).

The spelling of 11045442400 in words is "eleven billion, forty-five million, four hundred forty-two thousand, four hundred".