26985226194 has 32 divisors (see below), whose sum is σ = 60190128000. Its totient is φ = 8961631632.

The previous prime is 26985226193. The next prime is 26985226207. The reversal of 26985226194 is 49162258962.

26985226194 is a `hidden beast` number, since 26 + 9 + 8 + 522 + 6 + 1 + 94 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26985226194.

It is not an unprimeable number, because it can be changed into a prime (26985226193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914334 + ... + 943385.

It is an arithmetic number, because the mean of its divisors is an integer number (1880941500).

Almost surely, 2^26985226194 is an apocalyptic number.

26985226194 is an abundant number, since it is smaller than the sum of its proper divisors (33204901806).

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

26985226194 is a wasteful number, since it uses less digits than its factorization.

26985226194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857999 (or 1857993 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 26985226194 in words is "twenty-six billion, nine hundred eighty-five million, two hundred twenty-six thousand, one hundred ninety-four".