2543154120 has 192 divisors, whose sum is σ = 9069868080. Its totient is φ = 614135808.

The previous prime is 2543154077. The next prime is 2543154121. The reversal of 2543154120 is 214513452.

It can be written as a sum of positive squares in 8 ways, for example, as 415915236 + 2127238884 = 20394^2 + 46122^2 .

It is not an unprimeable number, because it can be changed into a prime (2543154121) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 242914 + ... + 253166.

Almost surely, 2^2543154120 is an apocalyptic number.

2543154120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2543154120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4534934040).

2543154120 is an abundant number, since it is smaller than the sum of its proper divisors (6526713960).

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

2543154120 is a wasteful number, since it uses less digits than its factorization.

2543154120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10336 (or 10329 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2543154120 is about 50429.6948235858. The cubic root of 2543154120 is about 1364.9735212027.

Adding to 2543154120 its reverse (214513452), we get a palindrome (2757667572).

The spelling of 2543154120 in words is "two billion, five hundred forty-three million, one hundred fifty-four thousand, one hundred twenty".