26047064556 has 72 divisors (see below), whose sum is σ = 69898767120. Its totient is φ = 8149994496.

The previous prime is 26047064551. The next prime is 26047064557. The reversal of 26047064556 is 65546074062.

26047064556 is a `hidden beast` number, since 26 + 0 + 4 + 70 + 6 + 4 + 556 = 666.

It is not an unprimeable number, because it can be changed into a prime (26047064551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175800 + ... + 288096.

It is an arithmetic number, because the mean of its divisors is an integer number (970816210).

Almost surely, 2^26047064556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26047064556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34949383560).

26047064556 is an abundant number, since it is smaller than the sum of its proper divisors (43851702564).

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

26047064556 is a wasteful number, since it uses less digits than its factorization.

26047064556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112703 (or 112698 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 26047064556 in words is "twenty-six billion, forty-seven million, sixty-four thousand, five hundred fifty-six".