26281222242 has 16 divisors (see below), whose sum is σ = 57340848672. Its totient is φ = 7964006720.

The previous prime is 26281222223. The next prime is 26281222271. The reversal of 26281222242 is 24222218262.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 199100103 + ... + 199100234.

It is an arithmetic number, because the mean of its divisors is an integer number (3583803042).

Almost surely, 2^26281222242 is an apocalyptic number.

26281222242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26281222242 is an abundant number, since it is smaller than the sum of its proper divisors (31059626430).

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

26281222242 is a wasteful number, since it uses less digits than its factorization.

26281222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398200353.

The product of its digits is 24576, while the sum is 33.

The spelling of 26281222242 in words is "twenty-six billion, two hundred eighty-one million, two hundred twenty-two thousand, two hundred forty-two".