81282486234660 has 96 divisors (see below), whose sum is σ = 233145284408064. Its totient is φ = 21146361600000.

The previous prime is 81282486234637. The next prime is 81282486234661. The reversal of 81282486234660 is 6643268428218.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 81282486234594 and 81282486234603.

It is not an unprimeable number, because it can be changed into a prime (81282486234661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210754800 + ... + 211140120.

It is an arithmetic number, because the mean of its divisors is an integer number (2428596712584).

Almost surely, 2^{81282486234660} is an apocalyptic number.

It is an amenable number.

81282486234660 is an abundant number, since it is smaller than the sum of its proper divisors (151862798173404).

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

81282486234660 is a wasteful number, since it uses less digits than its factorization.

81282486234660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471125 (or 471123 counting only the distinct ones).

The product of its (nonzero) digits is 42467328, while the sum is 60.

The spelling of 81282486234660 in words is "eighty-one trillion, two hundred eighty-two billion, four hundred eighty-six million, two hundred thirty-four thousand, six hundred sixty".