2543032440 has 96 divisors (see below), whose sum is σ = 8900629920. Its totient is φ = 625976064.

The previous prime is 2543032423. The next prime is 2543032469. The reversal of 2543032440 is 442303452.

2543032440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 267012 + ... + 276371.

It is an arithmetic number, because the mean of its divisors is an integer number (92714895).

Almost surely, 2^2543032440 is an apocalyptic number.

2543032440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543032440 is an abundant number, since it is smaller than the sum of its proper divisors (6357597480).

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

2543032440 is a wasteful number, since it uses less digits than its factorization.

2543032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543413 (or 543406 counting only the distinct ones).

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

The square root of 2543032440 is about 50428.4883771068. The cubic root of 2543032440 is about 1364.9517513035.

Adding to 2543032440 its reverse (442303452), we get a palindrome (2985335892).

The spelling of 2543032440 in words is "two billion, five hundred forty-three million, thirty-two thousand, four hundred forty".