2686635448 has 32 divisors (see below), whose sum is σ = 5772555360. Its totient is φ = 1148319360.

The previous prime is 2686635433. The next prime is 2686635449. The reversal of 2686635448 is 8445366862.

It is a junction number, because it is equal to n+sod(n) for n = 2686635395 and 2686635404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686635449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43423 + ... + 85198.

It is an arithmetic number, because the mean of its divisors is an integer number (180392355).

Almost surely, 2^2686635448 is an apocalyptic number.

2686635448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2686635448 is an abundant number, since it is smaller than the sum of its proper divisors (3085919912).

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

2686635448 is a wasteful number, since it uses less digits than its factorization.

2686635448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129007 (or 129003 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 52.

The square root of 2686635448 is about 51832.7642326743. The cubic root of 2686635448 is about 1390.1753394049.

The spelling of 2686635448 in words is "two billion, six hundred eighty-six million, six hundred thirty-five thousand, four hundred forty-eight".