26306742242 has 32 divisors (see below), whose sum is σ = 45784134144. Its totient is φ = 11203718400.

The previous prime is 26306742227. The next prime is 26306742263. The reversal of 26306742242 is 24224760362.

It is a junction number, because it is equal to n+sod(n) for n = 26306742196 and 26306742205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74309 + ... + 241112.

It is an arithmetic number, because the mean of its divisors is an integer number (1430754192).

Almost surely, 2^26306742242 is an apocalyptic number.

26306742242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26306742242 is a deficient number, since it is larger than the sum of its proper divisors (19477391902).

26306742242 is a wasteful number, since it uses less digits than its factorization.

26306742242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315674.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 26306742242 in words is "twenty-six billion, three hundred six million, seven hundred forty-two thousand, two hundred forty-two".