285526804684680 has 96 divisors (see below), whose sum is σ = 999343816412760. Its totient is φ = 70283521152000.

The previous prime is 285526804684637. The next prime is 285526804684703. The reversal of 285526804684680 is 86486408625582.

285526804684680 is a `hidden beast` number, since 2 + 8 + 5 + 5 + 2 + 6 + 80 + 468 + 4 + 6 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 200393298609156 + 85133506075524 = 14156034^2 + 9226782^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 285526804684599 and 285526804684608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30504995821 + ... + 30505005180.

Almost surely, 2^{285526804684680} is an apocalyptic number.

285526804684680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285526804684680 is an abundant number, since it is smaller than the sum of its proper divisors (713817011728080).

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

285526804684680 is a wasteful number, since it uses less digits than its factorization.

285526804684680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61010001031 (or 61010001024 counting only the distinct ones).

The product of its (nonzero) digits is 1415577600, while the sum is 72.

The spelling of 285526804684680 in words is "two hundred eighty-five trillion, five hundred twenty-six billion, eight hundred four million, six hundred eighty-four thousand, six hundred eighty".