26426333642 has 8 divisors (see below), whose sum is σ = 39670208832. Its totient is φ = 13202930700.

The previous prime is 26426333641. The next prime is 26426333663. The reversal of 26426333642 is 24633362462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26426333642² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26426333642.

It is not an unprimeable number, because it can be changed into a prime (26426333641) 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 3 ways as a sum of consecutive naturals, for example, 5114834 + ... + 5119997.

It is an arithmetic number, because the mean of its divisors is an integer number (4958776104).

Almost surely, 2^26426333642 is an apocalyptic number.

26426333642 is a deficient number, since it is larger than the sum of its proper divisors (13243875190).

26426333642 is a wasteful number, since it uses less digits than its factorization.

26426333642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236124.

The product of its digits is 746496, while the sum is 41.

The spelling of 26426333642 in words is "twenty-six billion, four hundred twenty-six million, three hundred thirty-three thousand, six hundred forty-two".