11034443440 has 20 divisors (see below), whose sum is σ = 25655081184. Its totient is φ = 4413777344.

The previous prime is 11034443423. The next prime is 11034443449. The reversal of 11034443440 is 4434443011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 11034443399 and 11034443408.

It is not an unprimeable number, because it can be changed into a prime (11034443449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68965192 + ... + 68965351.

Almost surely, 2^11034443440 is an apocalyptic number.

11034443440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11034443440 is an abundant number, since it is smaller than the sum of its proper divisors (14620637744).

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

11034443440 is a wasteful number, since it uses less digits than its factorization.

11034443440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137930556 (or 137930550 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 11034443440 its reverse (4434443011), we get a palindrome (15468886451).

The spelling of 11034443440 in words is "eleven billion, thirty-four million, four hundred forty-three thousand, four hundred forty".