26326304776018 has 16 divisors (see below), whose sum is σ = 42527224073880. Its totient is φ = 12150568958976.

The previous prime is 26326304776007. The next prime is 26326304776021. The reversal of 26326304776018 is 81067740362362.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23832391076649 + 2493913699369 = 4881843^2 + 1579213^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26326304776018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10095346 + ... + 12432562.

Almost surely, 2^{26326304776018} is an apocalyptic number.

26326304776018 is a deficient number, since it is larger than the sum of its proper divisors (16200919297862).

26326304776018 is a wasteful number, since it uses less digits than its factorization.

26326304776018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770461.

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 26326304776018 in words is "twenty-six trillion, three hundred twenty-six billion, three hundred four million, seven hundred seventy-six thousand, eighteen".