26246642406220 has 12 divisors (see below), whose sum is σ = 55117949053104. Its totient is φ = 10498656962480.

The previous prime is 26246642406217. The next prime is 26246642406223. The reversal of 26246642406220 is 2260424664262.

It is an interprime number because it is at equal distance from previous prime (26246642406217) and next prime (26246642406223).

It is not an unprimeable number, because it can be changed into a prime (26246642406223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656166060136 + ... + 656166060175.

It is an arithmetic number, because the mean of its divisors is an integer number (4593162421092).

Almost surely, 2^{26246642406220} is an apocalyptic number.

26246642406220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26246642406220 is an abundant number, since it is smaller than the sum of its proper divisors (28871306646884).

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

26246642406220 is a wasteful number, since it uses less digits than its factorization.

26246642406220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312332120320 (or 1312332120318 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 26246642406220 in words is "twenty-six trillion, two hundred forty-six billion, six hundred forty-two million, four hundred six thousand, two hundred twenty".