26626664468 has 12 divisors (see below), whose sum is σ = 46610810400. Its totient is φ = 13309290072.

The previous prime is 26626664461. The next prime is 26626664483. The reversal of 26626664468 is 86446662662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26626664461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995696 + ... + 1022087.

It is an arithmetic number, because the mean of its divisors is an integer number (3884234200).

Almost surely, 2^26626664468 is an apocalyptic number.

It is an amenable number.

26626664468 is a deficient number, since it is larger than the sum of its proper divisors (19984145932).

26626664468 is a wasteful number, since it uses less digits than its factorization.

26626664468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021086 (or 2021084 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 56.

The spelling of 26626664468 in words is "twenty-six billion, six hundred twenty-six million, six hundred sixty-four thousand, four hundred sixty-eight".