2043721140 has 48 divisors (see below), whose sum is σ = 5800820928. Its totient is φ = 537525504.

The previous prime is 2043721139. The next prime is 2043721153. The reversal of 2043721140 is 411273402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043721140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228922 + ... + 237681.

It is an arithmetic number, because the mean of its divisors is an integer number (120850436).

Almost surely, 2^2043721140 is an apocalyptic number.

2043721140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043721140 is an abundant number, since it is smaller than the sum of its proper divisors (3757099788).

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

2043721140 is a wasteful number, since it uses less digits than its factorization.

2043721140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466688 (or 466686 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2043721140 is about 45207.5341066066. The cubic root of 2043721140 is about 1269.0358151819.

Adding to 2043721140 its reverse (411273402), we get a palindrome (2454994542).

The spelling of 2043721140 in words is "two billion, forty-three million, seven hundred twenty-one thousand, one hundred forty".