11302203440 has 120 divisors (see below), whose sum is σ = 29039641344. Its totient is φ = 4087705600.

The previous prime is 11302203431. The next prime is 11302203443. The reversal of 11302203440 is 4430220311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11302203443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1845824 + ... + 1851936.

Almost surely, 2^11302203440 is an apocalyptic number.

11302203440 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 11302203440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14519820672).

11302203440 is an abundant number, since it is smaller than the sum of its proper divisors (17737437904).

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

11302203440 is a wasteful number, since it uses less digits than its factorization.

11302203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6339 (or 6322 counting only the distinct ones).

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

Adding to 11302203440 its reverse (4430220311), we get a palindrome (15732423751).

The spelling of 11302203440 in words is "eleven billion, three hundred two million, two hundred three thousand, four hundred forty".