2548666740 has 48 divisors (see below), whose sum is σ = 7382350080. Its totient is φ = 656208000.

The previous prime is 2548666733. The next prime is 2548666763. The reversal of 2548666740 is 476668452.

It is a self number, because there is not a number n which added to its sum of digits gives 2548666740.

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 15 ways as a sum of consecutive naturals, for example, 730636 + ... + 734115.

It is an arithmetic number, because the mean of its divisors is an integer number (153798960).

Almost surely, 2^2548666740 is an apocalyptic number.

2548666740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2548666740 is an abundant number, since it is smaller than the sum of its proper divisors (4833683340).

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

2548666740 is a wasteful number, since it uses less digits than its factorization.

2548666740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464792 (or 1464790 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 2548666740 is about 50484.3217246701. The cubic root of 2548666740 is about 1365.9590624738.

The spelling of 2548666740 in words is "two billion, five hundred forty-eight million, six hundred sixty-six thousand, seven hundred forty".