285298691538396 has 96 divisors (see below), whose sum is σ = 731266646261760. Its totient is φ = 86169360682944.

The previous prime is 285298691538389. The next prime is 285298691538407. The reversal of 285298691538396 is 693835196892582.

It is a congruent 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, 55468045 + ... + 60392891.

It is an arithmetic number, because the mean of its divisors is an integer number (7617360898560).

Almost surely, 2^{285298691538396} 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 285298691538396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365633323130880).

285298691538396 is an abundant number, since it is smaller than the sum of its proper divisors (445967954723364).

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

285298691538396 is a wasteful number, since it uses less digits than its factorization.

285298691538396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935943 (or 4935941 counting only the distinct ones).

The product of its digits is 12093235200, while the sum is 84.

The spelling of 285298691538396 in words is "two hundred eighty-five trillion, two hundred ninety-eight billion, six hundred ninety-one million, five hundred thirty-eight thousand, three hundred ninety-six".