284309589642 has 64 divisors (see below), whose sum is σ = 618034569600. Its totient is φ = 86672312064.

The previous prime is 284309589601. The next prime is 284309589659. The reversal of 284309589642 is 246985903482.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4240593 + ... + 4307115.

It is an arithmetic number, because the mean of its divisors is an integer number (9656790150).

Almost surely, 2^284309589642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284309589642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309017284800).

284309589642 is an abundant number, since it is smaller than the sum of its proper divisors (333724979958).

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

284309589642 is a wasteful number, since it uses less digits than its factorization.

284309589642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67047.

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 284309589642 in words is "two hundred eighty-four billion, three hundred nine million, five hundred eighty-nine thousand, six hundred forty-two".