26451552266 has 16 divisors (see below), whose sum is σ = 40785223680. Its totient is φ = 12857101200.

The previous prime is 26451552217. The next prime is 26451552269. The reversal of 26451552266 is 66225515462.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26451552269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70106 + ... + 240453.

It is an arithmetic number, because the mean of its divisors is an integer number (2549076480).

Almost surely, 2^26451552266 is an apocalyptic number.

26451552266 is a deficient number, since it is larger than the sum of its proper divisors (14333671414).

26451552266 is a wasteful number, since it uses less digits than its factorization.

26451552266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311749.

The product of its digits is 864000, while the sum is 44.

The spelling of 26451552266 in words is "twenty-six billion, four hundred fifty-one million, five hundred fifty-two thousand, two hundred sixty-six".