2043109380 has 96 divisors (see below), whose sum is σ = 6180943104. Its totient is φ = 501272064.

The previous prime is 2043109373. The next prime is 2043109381. The reversal of 2043109380 is 839013402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2043109381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243129 + ... + 251391.

It is an arithmetic number, because the mean of its divisors is an integer number (64384824).

Almost surely, 2^2043109380 is an apocalyptic number.

2043109380 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 2043109380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3090471552).

2043109380 is an abundant number, since it is smaller than the sum of its proper divisors (4137833724).

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

2043109380 is a wasteful number, since it uses less digits than its factorization.

2043109380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605 (or 8603 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2043109380 is about 45200.7674713605. The cubic root of 2043109380 is about 1268.9091797014.

The spelling of 2043109380 in words is "two billion, forty-three million, one hundred nine thousand, three hundred eighty".