26255955600 has 840 divisors, whose sum is σ = 113944463040. Its totient is φ = 5677102080.

The previous prime is 26255955599. The next prime is 26255955629. The reversal of 26255955600 is 655955262.

26255955600 is a `hidden beast` number, since 2 + 6 + 2 + 5 + 595 + 56 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (840).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 38782462 + ... + 38783138.

Almost surely, 2^26255955600 is an apocalyptic number.

26255955600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26255955600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56972231520).

26255955600 is an abundant number, since it is smaller than the sum of its proper divisors (87688507440).

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

26255955600 is a wasteful number, since it uses less digits than its factorization.

26255955600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 26255955600 in words is "twenty-six billion, two hundred fifty-five million, nine hundred fifty-five thousand, six hundred".