26705440306 has 4 divisors (see below), whose sum is σ = 40058160462. Its totient is φ = 13352720152.

The previous prime is 26705440261. The next prime is 26705440331. The reversal of 26705440306 is 60304450762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23508555625 + 3196884681 = 153325^2 + 56541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6676360075 + ... + 6676360078.

Almost surely, 2^26705440306 is an apocalyptic number.

26705440306 is a deficient number, since it is larger than the sum of its proper divisors (13352720156).

26705440306 is a wasteful number, since it uses less digits than its factorization.

26705440306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13352720155.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 26705440306 in words is "twenty-six billion, seven hundred five million, four hundred forty thousand, three hundred six".