11402320340 has 96 divisors (see below), whose sum is σ = 25581134880. Its totient is φ = 4260888576.

The previous prime is 11402320339. The next prime is 11402320343. The reversal of 11402320340 is 4302320411.

11402320340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 114532804 + 11287787536 = 10702^2 + 106244^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402320343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4140404 + ... + 4143156.

It is an arithmetic number, because the mean of its divisors is an integer number (266470155).

Almost surely, 2^11402320340 is an apocalyptic number.

11402320340 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 11402320340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12790567440).

11402320340 is an abundant number, since it is smaller than the sum of its proper divisors (14178814540).

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

11402320340 is a wasteful number, since it uses less digits than its factorization.

11402320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021 (or 3019 counting only the distinct ones).

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

Adding to 11402320340 its reverse (4302320411), we get a palindrome (15704640751).

The spelling of 11402320340 in words is "eleven billion, four hundred two million, three hundred twenty thousand, three hundred forty".