284538340902 has 8 divisors (see below), whose sum is σ = 569076681816. Its totient is φ = 94846113632.

The previous prime is 284538340841. The next prime is 284538340909. The reversal of 284538340902 is 209043835482.

It is a sphenic number, since it is the product of 3 distinct primes.

284538340902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284538340909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23711528403 + ... + 23711528414.

It is an arithmetic number, because the mean of its divisors is an integer number (71134585227).

Almost surely, 2^284538340902 is an apocalyptic number.

284538340902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

284538340902 is a wasteful number, since it uses less digits than its factorization.

284538340902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47423056822.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 284538340902 in words is "two hundred eighty-four billion, five hundred thirty-eight million, three hundred forty thousand, nine hundred two".