2043101440 has 72 divisors (see below), whose sum is σ = 4953086208. Its totient is φ = 807352320.

The previous prime is 2043101419. The next prime is 2043101447. The reversal of 2043101440 is 441013402.

It is not an unprimeable number, because it can be changed into a prime (2043101447) 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, 96625 + ... + 115855.

It is an arithmetic number, because the mean of its divisors is an integer number (68792864).

Almost surely, 2^2043101440 is an apocalyptic number.

2043101440 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 2043101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476543104).

2043101440 is an abundant number, since it is smaller than the sum of its proper divisors (2909984768).

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

2043101440 is an equidigital number, since it uses as much as digits as its factorization.

2043101440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19335 (or 19321 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2043101440 is about 45200.6796409081. The cubic root of 2043101440 is about 1268.9075359402.

Adding to 2043101440 its reverse (441013402), we get a palindrome (2484114842).

The spelling of 2043101440 in words is "two billion, forty-three million, one hundred one thousand, four hundred forty".