285105942608 has 20 divisors (see below), whose sum is σ = 561755354880. Its totient is φ = 140136818784.

The previous prime is 285105942587. The next prime is 285105942623. The reversal of 285105942608 is 806249501582.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151008560 + ... + 151010447.

It is an arithmetic number, because the mean of its divisors is an integer number (28087767744).

Almost surely, 2^285105942608 is an apocalyptic number.

It is an amenable number.

285105942608 is a deficient number, since it is larger than the sum of its proper divisors (276649412272).

285105942608 is a wasteful number, since it uses less digits than its factorization.

285105942608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302019074 (or 302019068 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 285105942608 in words is "two hundred eighty-five billion, one hundred five million, nine hundred forty-two thousand, six hundred eight".