26680828268 has 6 divisors (see below), whose sum is σ = 46691449476. Its totient is φ = 13340414132.

The previous prime is 26680828267. The next prime is 26680828303. The reversal of 26680828268 is 86282808662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26680828267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335103530 + ... + 3335103537.

It is an arithmetic number, because the mean of its divisors is an integer number (7781908246).

Almost surely, 2^26680828268 is an apocalyptic number.

It is an amenable number.

26680828268 is a deficient number, since it is larger than the sum of its proper divisors (20010621208).

26680828268 is a wasteful number, since it uses less digits than its factorization.

26680828268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670207071 (or 6670207069 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 56.

The spelling of 26680828268 in words is "twenty-six billion, six hundred eighty million, eight hundred twenty-eight thousand, two hundred sixty-eight".