285564381396 has 192 divisors, whose sum is σ = 849313382400. Its totient is φ = 72699365376.

The previous prime is 285564381367. The next prime is 285564381407. The reversal of 285564381396 is 693183465582.

285564381396 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 56133565 + ... + 56138651.

It is an arithmetic number, because the mean of its divisors is an integer number (4423507200).

Almost surely, 2^285564381396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285564381396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424656691200).

285564381396 is an abundant number, since it is smaller than the sum of its proper divisors (563749001004).

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

285564381396 is a wasteful number, since it uses less digits than its factorization.

285564381396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206 (or 7204 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 60.

The spelling of 285564381396 in words is "two hundred eighty-five billion, five hundred sixty-four million, three hundred eighty-one thousand, three hundred ninety-six".