2103413303440 has 40 divisors (see below), whose sum is σ = 5178108635640. Its totient is φ = 791873243136.

The previous prime is 2103413303413. The next prime is 2103413303443. The reversal of 2103413303440 is 443033143012.

It can be written as a sum of positive squares in 4 ways, for example, as 1042653378816 + 1060759924624 = 1021104^2 + 1029932^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2103413303399 and 2103413303408.

It is not an unprimeable number, because it can be changed into a prime (2103413303443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773312355 + ... + 773315074.

It is an arithmetic number, because the mean of its divisors is an integer number (129452715891).

Almost surely, 2^{2103413303440} is an apocalyptic number.

2103413303440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103413303440 is an abundant number, since it is smaller than the sum of its proper divisors (3074695332200).

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

2103413303440 is a wasteful number, since it uses less digits than its factorization.

2103413303440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546627459 (or 1546627453 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2103413303440 its reverse (443033143012), we get a palindrome (2546446446452).

The spelling of 2103413303440 in words is "two trillion, one hundred three billion, four hundred thirteen million, three hundred three thousand, four hundred forty".