26814802680 has 64 divisors (see below), whose sum is σ = 89382679200. Its totient is φ = 7150613760.

The previous prime is 26814802583. The next prime is 26814802681. The reversal of 26814802680 is 8620841862.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26814802681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12413181 + ... + 12415340.

Almost surely, 2^26814802680 is an apocalyptic number.

26814802680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26814802680 is an abundant number, since it is smaller than the sum of its proper divisors (62567876520).

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

26814802680 is a wasteful number, since it uses less digits than its factorization.

26814802680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828541 (or 24828531 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 26814802680 in words is "twenty-six billion, eight hundred fourteen million, eight hundred two thousand, six hundred eighty".