2686028349156 has 48 divisors (see below), whose sum is σ = 6438089333760. Its totient is φ = 870968298240.

The previous prime is 2686028349139. The next prime is 2686028349161. The reversal of 2686028349156 is 6519438206862.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2686028349156.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1597501 + ... + 2814971.

It is an arithmetic number, because the mean of its divisors is an integer number (134126861120).

Almost surely, 2^{2686028349156} is an apocalyptic number.

It is an amenable number.

2686028349156 is an abundant number, since it is smaller than the sum of its proper divisors (3752060984604).

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

2686028349156 is a wasteful number, since it uses less digits than its factorization.

2686028349156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222484 (or 1222482 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 2686028349156 in words is "two trillion, six hundred eighty-six billion, twenty-eight million, three hundred forty-nine thousand, one hundred fifty-six".