285361416722 has 18 divisors (see below), whose sum is σ = 436331996373. Its totient is φ = 139968977512.

The previous prime is 285361416709. The next prime is 285361416773. The reversal of 285361416722 is 227614163582.

It can be written as a sum of positive squares in 2 ways, for example, as 270681913441 + 14679503281 = 520271^2 + 121159^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=377731.

It is a super-2 number, since 2×285361416722² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40035923 + ... + 40043049.

Almost surely, 2^285361416722 is an apocalyptic number.

285361416722 is a deficient number, since it is larger than the sum of its proper divisors (150970579651).

285361416722 is an frugal number, since it uses more digits than its factorization.

285361416722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14362 (or 7182 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 285361416722 in words is "two hundred eighty-five billion, three hundred sixty-one million, four hundred sixteen thousand, seven hundred twenty-two".