26206544004 has 96 divisors (see below), whose sum is σ = 65487574656. Its totient is φ = 8127774720.

The previous prime is 26206543943. The next prime is 26206544009. The reversal of 26206544004 is 40044560262.

It is not an unprimeable number, because it can be changed into a prime (26206544009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13990812 + ... + 13992684.

It is an arithmetic number, because the mean of its divisors is an integer number (682162236).

Almost surely, 2^26206544004 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 26206544004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32743787328).

26206544004 is an abundant number, since it is smaller than the sum of its proper divisors (39281030652).

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

26206544004 is a wasteful number, since it uses less digits than its factorization.

26206544004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 26206544004 in words is "twenty-six billion, two hundred six million, five hundred forty-four thousand, four".