2534143540 has 24 divisors (see below), whose sum is σ = 5505209640. Its totient is φ = 978703488.

The previous prime is 2534143483. The next prime is 2534143561. The reversal of 2534143540 is 453414352.

It can be written as a sum of positive squares in 4 ways, for example, as 611671824 + 1922471716 = 24732^2 + 43846^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2184027 + ... + 2185186.

It is an arithmetic number, because the mean of its divisors is an integer number (229383735).

Almost surely, 2^2534143540 is an apocalyptic number.

2534143540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2534143540 is an abundant number, since it is smaller than the sum of its proper divisors (2971066100).

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

2534143540 is a wasteful number, since it uses less digits than its factorization.

2534143540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369251 (or 4369249 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2534143540 is about 50340.2775121473. The cubic root of 2534143540 is about 1363.3595467382.

Adding to 2534143540 its reverse (453414352), we get a palindrome (2987557892).

The spelling of 2534143540 in words is "two billion, five hundred thirty-four million, one hundred forty-three thousand, five hundred forty".