285400010 has 32 divisors (see below), whose sum is σ = 599097600. Its totient is φ = 97850256.

The previous prime is 285400009. The next prime is 285400013. The reversal of 285400010 is 10004582.

It is not an unprimeable number, because it can be changed into a prime (285400013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38174 + ... + 45033.

It is an arithmetic number, because the mean of its divisors is an integer number (18721800).

Almost surely, 2^285400010 is an apocalyptic number.

285400010 is an abundant number, since it is smaller than the sum of its proper divisors (313697590).

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

285400010 is an equidigital number, since it uses as much as digits as its factorization.

285400010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83235 (or 83221 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 285400010 is about 16893.7861357364. The cubic root of 285400010 is about 658.3921760504.

Adding to 285400010 its reverse (10004582), we get a palindrome (295404592).

The spelling of 285400010 in words is "two hundred eighty-five million, four hundred thousand, ten".