11403044340 has 192 divisors, whose sum is σ = 33874993152. Its totient is φ = 2861913600.

The previous prime is 11403044273. The next prime is 11403044347. The reversal of 11403044340 is 4344030411.

It is a self number, because there is not a number n which added to its sum of digits gives 11403044340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403044347) 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 63 ways as a sum of consecutive naturals, for example, 12913539 + ... + 12914421.

It is an arithmetic number, because the mean of its divisors is an integer number (176432256).

Almost surely, 2^11403044340 is an apocalyptic number.

11403044340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11403044340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16937496576).

11403044340 is an abundant number, since it is smaller than the sum of its proper divisors (22471948812).

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

11403044340 is a wasteful number, since it uses less digits than its factorization.

11403044340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 1108 counting only the distinct ones).

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

Adding to 11403044340 its reverse (4344030411), we get a palindrome (15747074751).

The spelling of 11403044340 in words is "eleven billion, four hundred three million, forty-four thousand, three hundred forty".