2684886740 has 12 divisors (see below), whose sum is σ = 5638262196. Its totient is φ = 1073954688.

The previous prime is 2684886733. The next prime is 2684886767. The reversal of 2684886740 is 476884862.

It can be written as a sum of positive squares in 2 ways, for example, as 282710596 + 2402176144 = 16814^2 + 49012^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67122149 + ... + 67122188.

It is an arithmetic number, because the mean of its divisors is an integer number (469855183).

Almost surely, 2^2684886740 is an apocalyptic number.

2684886740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2684886740 is an abundant number, since it is smaller than the sum of its proper divisors (2953375456).

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

2684886740 is a wasteful number, since it uses less digits than its factorization.

2684886740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134244346 (or 134244344 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The square root of 2684886740 is about 51815.8927357235. The cubic root of 2684886740 is about 1389.8736562009.

The spelling of 2684886740 in words is "two billion, six hundred eighty-four million, eight hundred eighty-six thousand, seven hundred forty".