2103783040 has 64 divisors (see below), whose sum is σ = 5045058720. Its totient is φ = 838886400.

The previous prime is 2103783023. The next prime is 2103783043. The reversal of 2103783040 is 403873012.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2103783043) 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, 206875 + ... + 216805.

Almost surely, 2^2103783040 is an apocalyptic number.

2103783040 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 2103783040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2522529360).

2103783040 is an abundant number, since it is smaller than the sum of its proper divisors (2941275680).

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

2103783040 is an equidigital number, since it uses as much as digits as its factorization.

2103783040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10281 (or 10269 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2103783040 is about 45867.0147273615. The cubic root of 2103783040 is about 1281.3476691280.

The spelling of 2103783040 in words is "two billion, one hundred three million, seven hundred eighty-three thousand, forty".