2043236340 has 72 divisors (see below), whose sum is σ = 6427380960. Its totient is φ = 544861728.

The previous prime is 2043236339. The next prime is 2043236359. The reversal of 2043236340 is 436323402.

It is a happy number.

2043236340 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 23 + 634 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205350 + ... + 215069.

It is an arithmetic number, because the mean of its divisors is an integer number (89269180).

Almost surely, 2^2043236340 is an apocalyptic number.

2043236340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043236340 is an abundant number, since it is smaller than the sum of its proper divisors (4384144620).

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

2043236340 is a wasteful number, since it uses less digits than its factorization.

2043236340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420443 (or 420429 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 2043236340 is about 45202.1718504764. The cubic root of 2043236340 is about 1268.9354627407.

Adding to 2043236340 its reverse (436323402), we get a palindrome (2479559742).

The spelling of 2043236340 in words is "two billion, forty-three million, two hundred thirty-six thousand, three hundred forty".