26526276198 has 128 divisors (see below), whose sum is σ = 60646164480. Its totient is φ = 8592480000.

The previous prime is 26526276193. The next prime is 26526276209. The reversal of 26526276198 is 89167262562.

26526276198 is a `hidden beast` number, since 2 + 6 + 5 + 2 + 627 + 6 + 1 + 9 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26526276193) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97882803 + ... + 97883073.

It is an arithmetic number, because the mean of its divisors is an integer number (473798160).

Almost surely, 2^26526276198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26526276198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30323082240).

26526276198 is an abundant number, since it is smaller than the sum of its proper divisors (34119888282).

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

26526276198 is a wasteful number, since it uses less digits than its factorization.

26526276198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 645 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 26526276198 in words is "twenty-six billion, five hundred twenty-six million, two hundred seventy-six thousand, one hundred ninety-eight".