26556645260460 has 96 divisors (see below), whose sum is σ = 84986704599552. Its totient is φ = 6069701790720.

The previous prime is 26556645260261. The next prime is 26556645260489. The reversal of 26556645260460 is 6406254665562.

It is a self number, because there is not a number n which added to its sum of digits gives 26556645260460.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4570980 + ... + 8602740.

It is an arithmetic number, because the mean of its divisors is an integer number (885278172912).

Almost surely, 2^{26556645260460} is an apocalyptic number.

26556645260460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26556645260460 is an abundant number, since it is smaller than the sum of its proper divisors (58430059339092).

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

26556645260460 is a wasteful number, since it uses less digits than its factorization.

26556645260460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047463 (or 4047461 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 57.

The spelling of 26556645260460 in words is "twenty-six trillion, five hundred fifty-six billion, six hundred forty-five million, two hundred sixty thousand, four hundred sixty".