2543350340 has 24 divisors (see below), whose sum is σ = 5350446360. Its totient is φ = 1015547648.

The previous prime is 2543350321. The next prime is 2543350343. The reversal of 2543350340 is 430533452.

It can be written as a sum of positive squares in 4 ways, for example, as 57729604 + 2485620736 = 7598^2 + 49856^2 .

It is not an unprimeable number, because it can be changed into a prime (2543350343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100367 + ... + 123126.

It is an arithmetic number, because the mean of its divisors is an integer number (222935265).

Almost surely, 2^2543350340 is an apocalyptic number.

2543350340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543350340 is an abundant number, since it is smaller than the sum of its proper divisors (2807096020).

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

2543350340 is a wasteful number, since it uses less digits than its factorization.

2543350340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224071 (or 224069 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 2543350340 is about 50431.6402668008. The cubic root of 2543350340 is about 1365.0086256706.

Adding to 2543350340 its reverse (430533452), we get a palindrome (2973883792).

The spelling of 2543350340 in words is "two billion, five hundred forty-three million, three hundred fifty thousand, three hundred forty".