26155664010 has 96 divisors (see below), whose sum is σ = 77869838592. Its totient is φ = 5966887680.

The previous prime is 26155663993. The next prime is 26155664027. The reversal of 26155664010 is 1046655162.

26155664010 is a `hidden beast` number, since 2 + 6 + 1 + 5 + 5 + 6 + 640 + 1 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (26155663993) and next prime (26155664027).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288387 + ... + 368073.

It is an arithmetic number, because the mean of its divisors is an integer number (811144152).

Almost surely, 2^26155664010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26155664010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38934919296).

26155664010 is an abundant number, since it is smaller than the sum of its proper divisors (51714174582).

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

26155664010 is a wasteful number, since it uses less digits than its factorization.

26155664010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80228 (or 80225 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 26155664010 in words is "twenty-six billion, one hundred fifty-five million, six hundred sixty-four thousand, ten".