285149592036 has 81 divisors (see below), whose sum is σ = 733307429673. Its totient is φ = 93427590240.

The previous prime is 285149592019. The next prime is 285149592061. The reversal of 285149592036 is 630295941582.

The square root of 285149592036 is 533994.

It is a perfect power (a square), and thus also a powerful number.

285149592036 is a `hidden beast` number, since 2 + 8 + 5 + 1 + 49 + 592 + 0 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9272534436 + 275877057600 = 96294^2 + 525240^2 .

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 26 ways as a sum of consecutive naturals, for example, 195441075 + ... + 195442533.

Almost surely, 2^285149592036 is an apocalyptic number.

285149592036 is the 533994-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285149592036

285149592036 is an abundant number, since it is smaller than the sum of its proper divisors (448157837637).

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

285149592036 is an equidigital number, since it uses as much as digits as its factorization.

285149592036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 285149592036 in words is "two hundred eighty-five billion, one hundred forty-nine million, five hundred ninety-two thousand, thirty-six".