2686020544 has 56 divisors (see below), whose sum is σ = 5513970176. Its totient is φ = 1296864000.

The previous prime is 2686020539. The next prime is 2686020581. The reversal of 2686020544 is 4450206862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131679 + ... + 1134049.

Almost surely, 2^2686020544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686020544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2756985088).

2686020544 is an abundant number, since it is smaller than the sum of its proper divisors (2827949632).

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

2686020544 is a wasteful number, since it uses less digits than its factorization.

2686020544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 2686020544 is about 51826.8322782707. The cubic root of 2686020544 is about 1390.0692724651.

The spelling of 2686020544 in words is "two billion, six hundred eighty-six million, twenty thousand, five hundred forty-four".