228782584055840 has 48 divisors (see below), whose sum is σ = 557934301774080. Its totient is φ = 88561000277760.

The previous prime is 228782584055771. The next prime is 228782584055849. The reversal of 228782584055840 is 48550485287822.

It is not an unprimeable number, because it can be changed into a prime (228782584055849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23062755530 + ... + 23062765449.

It is an arithmetic number, because the mean of its divisors is an integer number (11623631286960).

Almost surely, 2^{228782584055840} is an apocalyptic number.

228782584055840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228782584055840 is an abundant number, since it is smaller than the sum of its proper divisors (329151717718240).

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

228782584055840 is a wasteful number, since it uses less digits than its factorization.

228782584055840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46125521025 (or 46125521017 counting only the distinct ones).

The product of its (nonzero) digits is 458752000, while the sum is 68.

The spelling of 228782584055840 in words is "two hundred twenty-eight trillion, seven hundred eighty-two billion, five hundred eighty-four million, fifty-five thousand, eight hundred forty".