11320240344 has 128 divisors (see below), whose sum is σ = 32731776000. Its totient is φ = 3195707904.

The previous prime is 11320240297. The next prime is 11320240361. The reversal of 11320240344 is 44304202311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9210322 + ... + 9211550.

It is an arithmetic number, because the mean of its divisors is an integer number (255717000).

Almost surely, 2^11320240344 is an apocalyptic number.

11320240344 is a gapful number since it is divisible by the number (14) 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 11320240344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16365888000).

11320240344 is an abundant number, since it is smaller than the sum of its proper divisors (21411535656).

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

11320240344 is a wasteful number, since it uses less digits than its factorization.

11320240344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1853 counting only the distinct ones).

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

Adding to 11320240344 its reverse (44304202311), we get a palindrome (55624442655).

The spelling of 11320240344 in words is "eleven billion, three hundred twenty million, two hundred forty thousand, three hundred forty-four".