2103340340 has 72 divisors (see below), whose sum is σ = 4665040128. Its totient is φ = 795094080.

The previous prime is 2103340301. The next prime is 2103340373. The reversal of 2103340340 is 430433012.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4879925 + ... + 4880355.

It is an arithmetic number, because the mean of its divisors is an integer number (64792224).

Almost surely, 2^2103340340 is an apocalyptic number.

2103340340 is a gapful number since it is divisible by the number (20) 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 2103340340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2332520064).

2103340340 is an abundant number, since it is smaller than the sum of its proper divisors (2561699788).

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

2103340340 is a wasteful number, since it uses less digits than its factorization.

2103340340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2103340340 is about 45862.1885653094. The cubic root of 2103340340 is about 1281.2577846364.

Adding to 2103340340 its reverse (430433012), we get a palindrome (2533773352).

The spelling of 2103340340 in words is "two billion, one hundred three million, three hundred forty thousand, three hundred forty".