2543348416 has 56 divisors (see below), whose sum is σ = 5837529600. Its totient is φ = 1076858112.

The previous prime is 2543348399. The next prime is 2543348429. The reversal of 2543348416 is 6148433452.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2985 + ... + 71383.

It is an arithmetic number, because the mean of its divisors is an integer number (104241600).

Almost surely, 2^2543348416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2543348416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2918764800).

2543348416 is an abundant number, since it is smaller than the sum of its proper divisors (3294181184).

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

2543348416 is an equidigital number, since it uses as much as digits as its factorization.

2543348416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68501 (or 68491 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 2543348416 is about 50431.6211914707. The cubic root of 2543348416 is about 1365.0082814688.

The spelling of 2543348416 in words is "two billion, five hundred forty-three million, three hundred forty-eight thousand, four hundred sixteen".