26098472808 has 160 divisors (see below), whose sum is σ = 77167120800. Its totient is φ = 8218081152.

The previous prime is 26098472801. The next prime is 26098472819. The reversal of 26098472808 is 80827489062.

26098472808 is a `hidden beast` number, since 2 + 6 + 0 + 98 + 472 + 80 + 8 = 666.

It is a super-2 number, since 2×26098472808² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (26098472801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4589535 + ... + 4595217.

It is an arithmetic number, because the mean of its divisors is an integer number (482294505).

Almost surely, 2^26098472808 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 26098472808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38583560400).

26098472808 is an abundant number, since it is smaller than the sum of its proper divisors (51068647992).

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

26098472808 is a wasteful number, since it uses less digits than its factorization.

26098472808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093 (or 6080 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 26098472808 in words is "twenty-six billion, ninety-eight million, four hundred seventy-two thousand, eight hundred eight".