2118745048 has 16 divisors (see below), whose sum is σ = 4540168080. Its totient is φ = 908033568.

The previous prime is 2118745019. The next prime is 2118745049. The reversal of 2118745048 is 8405478112.

It is a self number, because there is not a number n which added to its sum of digits gives 2118745048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118745049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18917311 + ... + 18917422.

It is an arithmetic number, because the mean of its divisors is an integer number (283760505).

Almost surely, 2^2118745048 is an apocalyptic number.

2118745048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2118745048 is an abundant number, since it is smaller than the sum of its proper divisors (2421423032).

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

2118745048 is a wasteful number, since it uses less digits than its factorization.

2118745048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37834746 (or 37834742 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 2118745048 is about 46029.8278076293. The cubic root of 2118745048 is about 1284.3781248066.

The spelling of 2118745048 in words is "two billion, one hundred eighteen million, seven hundred forty-five thousand, forty-eight".