285479300000 has 288 divisors, whose sum is σ = 747612524736. Its totient is φ = 106928640000.

The previous prime is 285479299991. The next prime is 285479300077. The reversal of 285479300000 is 3974582.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 521899727 + ... + 521900273.

It is an arithmetic number, because the mean of its divisors is an integer number (2595876822).

Almost surely, 2^285479300000 is an apocalyptic number.

285479300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285479300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373806262368).

285479300000 is an abundant number, since it is smaller than the sum of its proper divisors (462133224736).

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

285479300000 is an equidigital number, since it uses as much as digits as its factorization.

285479300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 285479300000 in words is "two hundred eighty-five billion, four hundred seventy-nine million, three hundred thousand".