2540246516 has 24 divisors (see below), whose sum is σ = 4606339584. Its totient is φ = 1224462240.

The previous prime is 2540246453. The next prime is 2540246521. The reversal of 2540246516 is 6156420452.

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, 6335 + ... + 71558.

It is an arithmetic number, because the mean of its divisors is an integer number (191930816).

Almost surely, 2^2540246516 is an apocalyptic number.

It is an amenable number.

2540246516 is a deficient number, since it is larger than the sum of its proper divisors (2066093068).

2540246516 is a wasteful number, since it uses less digits than its factorization.

2540246516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78191 (or 78189 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2540246516 is about 50400.8582863427. The cubic root of 2540246516 is about 1364.4531285770.

Adding to 2540246516 its reverse (6156420452), we get a palindrome (8696666968).

The spelling of 2540246516 in words is "two billion, five hundred forty million, two hundred forty-six thousand, five hundred sixteen".