26395774994 has 8 divisors (see below), whose sum is σ = 39594590220. Its totient is φ = 13197578256.

The previous prime is 26395774987. The next prime is 26395775027. The reversal of 26395774994 is 49947759362.

It can be written as a sum of positive squares in 2 ways, for example, as 25990276225 + 405498769 = 161215^2 + 20137^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 26395774994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26789 + ... + 231320.

Almost surely, 2^26395774994 is an apocalyptic number.

26395774994 is a deficient number, since it is larger than the sum of its proper divisors (13198815226).

26395774994 is a wasteful number, since it uses less digits than its factorization.

26395774994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309244.

The product of its digits is 102876480, while the sum is 65.

The spelling of 26395774994 in words is "twenty-six billion, three hundred ninety-five million, seven hundred seventy-four thousand, nine hundred ninety-four".