855641026600 has 24 divisors (see below), whose sum is σ = 1989365387310. Its totient is φ = 342256410560.

The previous prime is 855641026577. The next prime is 855641026637. The reversal of 855641026600 is 6620146558.

It can be written as a sum of positive squares in 3 ways, for example, as 620165700036 + 235475326564 = 787506^2 + 485258^2 .

It is a super-2 number, since 2×855641026600² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2139102367 + ... + 2139102766.

Almost surely, 2^855641026600 is an apocalyptic number.

It is an amenable number.

855641026600 is an abundant number, since it is smaller than the sum of its proper divisors (1133724360710).

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

855641026600 is a wasteful number, since it uses less digits than its factorization.

855641026600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278205149 (or 4278205140 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 855641026600 in words is "eight hundred fifty-five billion, six hundred forty-one million, twenty-six thousand, six hundred".