26855485720 has 32 divisors (see below), whose sum is σ = 69056964000. Its totient is φ = 9207595008.

The previous prime is 26855485649. The next prime is 26855485729. The reversal of 26855485720 is 2758455862.

It is a super-2 number, since 2×26855485720² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26855485729) 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 7 ways as a sum of consecutive naturals, for example, 47955945 + ... + 47956504.

It is an arithmetic number, because the mean of its divisors is an integer number (2158030125).

Almost surely, 2^26855485720 is an apocalyptic number.

26855485720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26855485720 is an abundant number, since it is smaller than the sum of its proper divisors (42201478280).

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

26855485720 is a wasteful number, since it uses less digits than its factorization.

26855485720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95912467 (or 95912463 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 26855485720 in words is "twenty-six billion, eight hundred fifty-five million, four hundred eighty-five thousand, seven hundred twenty".