26466666220 has 48 divisors (see below), whose sum is σ = 56062946016. Its totient is φ = 10494848000.

The previous prime is 26466666181. The next prime is 26466666221. The reversal of 26466666220 is 2266666462.

It is not an unprimeable number, because it can be changed into a prime (26466666221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775060 + ... + 2784580.

It is an arithmetic number, because the mean of its divisors is an integer number (1167978042).

Almost surely, 2^26466666220 is an apocalyptic number.

26466666220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26466666220 is an abundant number, since it is smaller than the sum of its proper divisors (29596279796).

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

26466666220 is a wasteful number, since it uses less digits than its factorization.

26466666220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10722 (or 10720 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 26466666220 in words is "twenty-six billion, four hundred sixty-six million, six hundred sixty-six thousand, two hundred twenty".