26666026284 has 12 divisors (see below), whose sum is σ = 62220728024. Its totient is φ = 8888675424.

The previous prime is 26666026271. The next prime is 26666026313. The reversal of 26666026284 is 48262066662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×26666026284² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111084417 + ... + 1111084440.

Almost surely, 2^26666026284 is an apocalyptic number.

It is an amenable number.

26666026284 is an abundant number, since it is smaller than the sum of its proper divisors (35554701740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26666026284 is a wasteful number, since it uses less digits than its factorization.

26666026284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222168864 (or 2222168862 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 26666026284 in words is "twenty-six billion, six hundred sixty-six million, twenty-six thousand, two hundred eighty-four".