2686368464 has 40 divisors (see below), whose sum is σ = 5682026952. Its totient is φ = 1222871040.

The previous prime is 2686368401. The next prime is 2686368469. The reversal of 2686368464 is 4648636862.

It can be written as a sum of positive squares in 4 ways, for example, as 144192064 + 2542176400 = 12008^2 + 50420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686368469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73277 + ... + 103644.

Almost surely, 2^2686368464 is an apocalyptic number.

It is an amenable number.

2686368464 is an abundant number, since it is smaller than the sum of its proper divisors (2995658488).

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

2686368464 is a wasteful number, since it uses less digits than its factorization.

2686368464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177015 (or 177009 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 53.

The square root of 2686368464 is about 51830.1887320507. The cubic root of 2686368464 is about 1390.1292883899.

The spelling of 2686368464 in words is "two billion, six hundred eighty-six million, three hundred sixty-eight thousand, four hundred sixty-four".