26147672831056 has 120 divisors (see below), whose sum is σ = 59070980409480. Its totient is φ = 11179808640000.

The previous prime is 26147672831053. The next prime is 26147672831131. The reversal of 26147672831056 is 65013827674162.

It can be written as a sum of positive squares in 4 ways, for example, as 4257289422400 + 21890383408656 = 2063320^2 + 4678716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26147672831053) 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, 609467206 + ... + 609510106.

It is an arithmetic number, because the mean of its divisors is an integer number (492258170079).

Almost surely, 2^{26147672831056} 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 26147672831056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29535490204740).

26147672831056 is an abundant number, since it is smaller than the sum of its proper divisors (32923307578424).

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

26147672831056 is a wasteful number, since it uses less digits than its factorization.

26147672831056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44733 (or 44720 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 26147672831056 in words is "twenty-six trillion, one hundred forty-seven billion, six hundred seventy-two million, eight hundred thirty-one thousand, fifty-six".