2680001626956 has 12 divisors (see below), whose sum is σ = 6253337129592. Its totient is φ = 893333875648.

The previous prime is 2680001626921. The next prime is 2680001627029. The reversal of 2680001626956 is 6596261000862.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2680001626899 and 2680001626908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111666734445 + ... + 111666734468.

It is an arithmetic number, because the mean of its divisors is an integer number (521111427466).

Almost surely, 2^{2680001626956} is an apocalyptic number.

It is an amenable number.

2680001626956 is an abundant number, since it is smaller than the sum of its proper divisors (3573335502636).

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

2680001626956 is a wasteful number, since it uses less digits than its factorization.

2680001626956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223333468920 (or 223333468918 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 2680001626956 in words is "two trillion, six hundred eighty billion, one million, six hundred twenty-six thousand, nine hundred fifty-six".