2103965245440 has 224 divisors, whose sum is σ = 7480312659360. Its totient is φ = 561057103872.

The previous prime is 2103965245439. The next prime is 2103965245441. The reversal of 2103965245440 is 445425693012.

2103965245440 is a `hidden beast` number, since 2 + 1 + 0 + 39 + 6 + 524 + 54 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (2103965245439) and next prime (2103965245441).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103965245441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154692 + ... + 2057148.

Almost surely, 2^{2103965245440} is an apocalyptic number.

2103965245440 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 2103965245440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3740156329680).

2103965245440 is an abundant number, since it is smaller than the sum of its proper divisors (5376347413920).

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

2103965245440 is an equidigital number, since it uses as much as digits as its factorization.

2103965245440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902497 (or 1902467 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 2103965245440 in words is "two trillion, one hundred three billion, nine hundred sixty-five million, two hundred forty-five thousand, four hundred forty".