282281840981640 has 256 divisors, whose sum is σ = 950944450060800. Its totient is φ = 74476097160192.

The previous prime is 282281840981509. The next prime is 282281840981869. The reversal of 282281840981640 is 46189048182282.

282281840981640 is a `hidden beast` number, since 2 + 82 + 2 + 8 + 18 + 409 + 81 + 64 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120424482 + ... + 122746158.

It is an arithmetic number, because the mean of its divisors is an integer number (3714626758050).

Almost surely, 2^{282281840981640} is an apocalyptic number.

282281840981640 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 282281840981640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475472225030400).

282281840981640 is an abundant number, since it is smaller than the sum of its proper divisors (668662609079160).

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

282281840981640 is a wasteful number, since it uses less digits than its factorization.

282281840981640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322893 (or 2322883 counting only the distinct ones).

The product of its (nonzero) digits is 28311552, while the sum is 63.

The spelling of 282281840981640 in words is "two hundred eighty-two trillion, two hundred eighty-one billion, eight hundred forty million, nine hundred eighty-one thousand, six hundred forty".