2103130440 has 128 divisors (see below), whose sum is σ = 7022476800. Its totient is φ = 559872000.

The previous prime is 2103130439. The next prime is 2103130481. The reversal of 2103130440 is 440313012.

2103130440 is a `hidden beast` number, since 210 + 3 + 13 + 0 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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, 809784 + ... + 812376.

It is an arithmetic number, because the mean of its divisors is an integer number (54863100).

Almost surely, 2^2103130440 is an apocalyptic number.

2103130440 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 2103130440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3511238400).

2103130440 is an abundant number, since it is smaller than the sum of its proper divisors (4919346360).

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

2103130440 is a wasteful number, since it uses less digits than its factorization.

2103130440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2103130440 is about 45859.9001307242. The cubic root of 2103130440 is about 1281.2151627569.

Adding to 2103130440 its reverse (440313012), we get a palindrome (2543443452).

The spelling of 2103130440 in words is "two billion, one hundred three million, one hundred thirty thousand, four hundred forty".