2540545126 has 16 divisors (see below), whose sum is σ = 4366200096. Its totient is φ = 1086060096.

The previous prime is 2540545123. The next prime is 2540545159. The reversal of 2540545126 is 6215450452.

It is a junction number, because it is equal to n+sod(n) for n = 2540545091 and 2540545100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540545123) 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 7 ways as a sum of consecutive naturals, for example, 222991 + ... + 234106.

It is an arithmetic number, because the mean of its divisors is an integer number (272887506).

Almost surely, 2^2540545126 is an apocalyptic number.

2540545126 is a deficient number, since it is larger than the sum of its proper divisors (1825654970).

2540545126 is a wasteful number, since it uses less digits than its factorization.

2540545126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457503.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2540545126 is about 50403.8205496369. The cubic root of 2540545126 is about 1364.5065910241.

Adding to 2540545126 its reverse (6215450452), we get a palindrome (8755995578).

The spelling of 2540545126 in words is "two billion, five hundred forty million, five hundred forty-five thousand, one hundred twenty-six".