26317264680 has 96 divisors (see below), whose sum is σ = 97749849600. Its totient is φ = 6015374208.

The previous prime is 26317264663. The next prime is 26317264693. The reversal of 26317264680 is 8646271362.

26317264680 is a `hidden beast` number, since 2 + 631 + 7 + 2 + 6 + 4 + 6 + 8 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5219160 + ... + 5224199.

It is an arithmetic number, because the mean of its divisors is an integer number (1018227600).

Almost surely, 2^26317264680 is an apocalyptic number.

26317264680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26317264680 is an abundant number, since it is smaller than the sum of its proper divisors (71432584920).

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

26317264680 is a wasteful number, since it uses less digits than its factorization.

26317264680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10443383 (or 10443376 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 26317264680 in words is "twenty-six billion, three hundred seventeen million, two hundred sixty-four thousand, six hundred eighty".