285068910100 has 36 divisors (see below), whose sum is σ = 666184117564. Its totient is φ = 105256212480.

The previous prime is 285068910079. The next prime is 285068910101. The reversal of 285068910100 is 1019860582.

It can be written as a sum of positive squares in 6 ways, for example, as 93912828304 + 191156081796 = 306452^2 + 437214^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285068910101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109640589 + ... + 109643188.

Almost surely, 2^285068910100 is an apocalyptic number.

285068910100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285068910100 is an abundant number, since it is smaller than the sum of its proper divisors (381115207464).

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

285068910100 is a wasteful number, since it uses less digits than its factorization.

285068910100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219283804 (or 219283797 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 285068910100 in words is "two hundred eighty-five billion, sixty-eight million, nine hundred ten thousand, one hundred".