26031647104 has 64 divisors (see below), whose sum is σ = 53024855040. Its totient is φ = 12724097536.

The previous prime is 26031647077. The next prime is 26031647119. The reversal of 26031647104 is 40174613062.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 26031647104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6633687 + ... + 6637609.

It is an arithmetic number, because the mean of its divisors is an integer number (828513360).

Almost surely, 2^26031647104 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 26031647104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26512427520).

26031647104 is an abundant number, since it is smaller than the sum of its proper divisors (26993207936).

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

26031647104 is a wasteful number, since it uses less digits than its factorization.

26031647104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5075 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 26031647104 in words is "twenty-six billion, thirty-one million, six hundred forty-seven thousand, one hundred four".