26323521804 has 192 divisors, whose sum is σ = 76562841600. Its totient is φ = 7781438016.

The previous prime is 26323521773. The next prime is 26323521811. The reversal of 26323521804 is 40812532362.

26323521804 is a `hidden beast` number, since 2 + 632 + 3 + 5 + 2 + 18 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2212279 + ... + 2224145.

It is an arithmetic number, because the mean of its divisors is an integer number (398764800).

Almost surely, 2^26323521804 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 26323521804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38281420800).

26323521804 is an abundant number, since it is smaller than the sum of its proper divisors (50239319796).

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

26323521804 is a wasteful number, since it uses less digits than its factorization.

26323521804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969 (or 11961 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 26323521804 in words is "twenty-six billion, three hundred twenty-three million, five hundred twenty-one thousand, eight hundred four".