2543200434 has 48 divisors (see below), whose sum is σ = 5574441600. Its totient is φ = 837916128.

The previous prime is 2543200423. The next prime is 2543200447. The reversal of 2543200434 is 4340023452.

2543200434 is a `hidden beast` number, since 25 + 4 + 3 + 200 + 434 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2543200398 and 2543200407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 595852 + ... + 600104.

It is an arithmetic number, because the mean of its divisors is an integer number (116134200).

Almost surely, 2^2543200434 is an apocalyptic number.

2543200434 is an abundant number, since it is smaller than the sum of its proper divisors (3031241166).

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

2543200434 is a wasteful number, since it uses less digits than its factorization.

2543200434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639 (or 4636 counting only the distinct ones).

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

The square root of 2543200434 is about 50430.1540152318. The cubic root of 2543200434 is about 1364.9818071077.

Adding to 2543200434 its reverse (4340023452), we get a palindrome (6883223886).

The spelling of 2543200434 in words is "two billion, five hundred forty-three million, two hundred thousand, four hundred thirty-four".