2043394080 has 576 divisors, whose sum is σ = 8310895488. Its totient is φ = 418037760.

The previous prime is 2043394063. The next prime is 2043394081. The reversal of 2043394080 is 804933402.

It is not an unprimeable number, because it can be changed into a prime (2043394081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12536079 + ... + 12536241.

It is an arithmetic number, because the mean of its divisors is an integer number (14428638).

Almost surely, 2^2043394080 is an apocalyptic number.

2043394080 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 2043394080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155447744).

2043394080 is an abundant number, since it is smaller than the sum of its proper divisors (6267501408).

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

2043394080 is a wasteful number, since it uses less digits than its factorization.

2043394080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2043394080 is about 45203.9166444679. The cubic root of 2043394080 is about 1268.9681162857.

The spelling of 2043394080 in words is "two billion, forty-three million, three hundred ninety-four thousand, eighty".