2043320544 has 36 divisors (see below), whose sum is σ = 5810693616. Its totient is φ = 681106752.

The previous prime is 2043320527. The next prime is 2043320549. The reversal of 2043320544 is 4450233402.

2043320544 is a `hidden beast` number, since 20 + 433 + 205 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043320549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3547144 + ... + 3547719.

It is an arithmetic number, because the mean of its divisors is an integer number (161408156).

Almost surely, 2^2043320544 is an apocalyptic number.

2043320544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2043320544 is an abundant number, since it is smaller than the sum of its proper divisors (3767373072).

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

2043320544 is a wasteful number, since it uses less digits than its factorization.

2043320544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094879 (or 7094868 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 2043320544 is about 45203.1032563031. The cubic root of 2043320544 is about 1268.9528939065.

Adding to 2043320544 its reverse (4450233402), we get a palindrome (6493553946).

The spelling of 2043320544 in words is "two billion, forty-three million, three hundred twenty thousand, five hundred forty-four".