26530454266 has 4 divisors (see below), whose sum is σ = 39795681402. Its totient is φ = 13265227132.

The previous prime is 26530454239. The next prime is 26530454309. The reversal of 26530454266 is 66245403562.

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., 18313938241 + 8216516025 = 135329^2 + 90645^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6632613565 + ... + 6632613568.

Almost surely, 2^26530454266 is an apocalyptic number.

26530454266 is a deficient number, since it is larger than the sum of its proper divisors (13265227136).

26530454266 is a wasteful number, since it uses less digits than its factorization.

26530454266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13265227135.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 26530454266 in words is "twenty-six billion, five hundred thirty million, four hundred fifty-four thousand, two hundred sixty-six".