11040340430 has 144 divisors (see below), whose sum is σ = 25037289216. Its totient is φ = 3493002240.

The previous prime is 11040340391. The next prime is 11040340433. The reversal of 11040340430 is 3404304011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040340433) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7504595 + ... + 7506065.

It is an arithmetic number, because the mean of its divisors is an integer number (173870064).

Almost surely, 2^11040340430 is an apocalyptic number.

11040340430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11040340430 is an abundant number, since it is smaller than the sum of its proper divisors (13996948786).

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

11040340430 is a wasteful number, since it uses less digits than its factorization.

11040340430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 11040340430 its reverse (3404304011), we get a palindrome (14444644441).

The spelling of 11040340430 in words is "eleven billion, forty million, three hundred forty thousand, four hundred thirty".