11403440034 has 96 divisors (see below), whose sum is σ = 27360218880. Its totient is φ = 3156959232.

The previous prime is 11403440033. The next prime is 11403440039. The reversal of 11403440034 is 43004430411.

It is a junction number, because it is equal to n+sod(n) for n = 11403439986 and 11403440013.

It is not an unprimeable number, because it can be changed into a prime (11403440033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2793607 + ... + 2797685.

It is an arithmetic number, because the mean of its divisors is an integer number (285002280).

Almost surely, 2^11403440034 is an apocalyptic number.

11403440034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11403440034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13680109440).

11403440034 is an abundant number, since it is smaller than the sum of its proper divisors (15956778846).

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

11403440034 is a wasteful number, since it uses less digits than its factorization.

11403440034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392 (or 4385 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11403440034 its reverse (43004430411), we get a palindrome (54407870445).

The spelling of 11403440034 in words is "eleven billion, four hundred three million, four hundred forty thousand, thirty-four".